Home / 66,743.66-92,126.76-38,468.18

Finding the Fourth Proportional to 66,743.66, 92,126.76 and 38,468.18

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Solution

The fourth proportional to 66,743.66, 92,126.76 and 38,468.18 is: 53,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,743.66 : 92,126.76 = 38,468.18 : x
  2. Step 2: Convert to fraction form
    66,743.66/92,126.76 = 38,468.18/x
  3. Step 3: Cross multiply
    66,743.66x = 92,126.76 × 38,468.18
  4. Step 4: Simplify right side
    66,743.66x = 3,543,948,786.50
  5. Step 5: Solve for x
    x = 3,543,948,786.50/66,743.66
  6. Step 6: Final answer
    x = 53,097.91

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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.