Home / 94,078.28-129,829.56-51,640.76

Finding the Fourth Proportional to 94,078.28, 129,829.56 and 51,640.76

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Solution

The fourth proportional to 94,078.28, 129,829.56 and 51,640.76 is: 71,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.28 : 129,829.56 = 51,640.76 : x
  2. Step 2: Convert to fraction form
    94,078.28/129,829.56 = 51,640.76/x
  3. Step 3: Cross multiply
    94,078.28x = 129,829.56 × 51,640.76
  4. Step 4: Simplify right side
    94,078.28x = 6,704,497,148.87
  5. Step 5: Solve for x
    x = 6,704,497,148.87/94,078.28
  6. Step 6: Final answer
    x = 71,265.09

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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.