Home / 61,250.38-84,332.14-55,644.64

Finding the Fourth Proportional to 61,250.38, 84,332.14 and 55,644.64

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Solution

The fourth proportional to 61,250.38, 84,332.14 and 55,644.64 is: 76,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,250.38 : 84,332.14 = 55,644.64 : x
  2. Step 2: Convert to fraction form
    61,250.38/84,332.14 = 55,644.64/x
  3. Step 3: Cross multiply
    61,250.38x = 84,332.14 × 55,644.64
  4. Step 4: Simplify right side
    61,250.38x = 4,692,631,220.79
  5. Step 5: Solve for x
    x = 4,692,631,220.79/61,250.38
  6. Step 6: Final answer
    x = 76,613.92

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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.