Home / 66,905.25-92,329.15-38,610.94

Finding the Fourth Proportional to 66,905.25, 92,329.15 and 38,610.94

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Solution

The fourth proportional to 66,905.25, 92,329.15 and 38,610.94 is: 53,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905.25 : 92,329.15 = 38,610.94 : x
  2. Step 2: Convert to fraction form
    66,905.25/92,329.15 = 38,610.94/x
  3. Step 3: Cross multiply
    66,905.25x = 92,329.15 × 38,610.94
  4. Step 4: Simplify right side
    66,905.25x = 3,564,915,270.90
  5. Step 5: Solve for x
    x = 3,564,915,270.90/66,905.25
  6. Step 6: Final answer
    x = 53,283.04

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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.