Home / 66,725.19-92,114.09-38,425.41

Finding the Fourth Proportional to 66,725.19, 92,114.09 and 38,425.41

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Solution

The fourth proportional to 66,725.19, 92,114.09 and 38,425.41 is: 53,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.19 : 92,114.09 = 38,425.41 : x
  2. Step 2: Convert to fraction form
    66,725.19/92,114.09 = 38,425.41/x
  3. Step 3: Cross multiply
    66,725.19x = 92,114.09 × 38,425.41
  4. Step 4: Simplify right side
    66,725.19x = 3,539,521,482.90
  5. Step 5: Solve for x
    x = 3,539,521,482.90/66,725.19
  6. Step 6: Final answer
    x = 53,046.26

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.