Home / 90,542.88-124,957.08-52,829.28

Finding the Fourth Proportional to 90,542.88, 124,957.08 and 52,829.28

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Solution

The fourth proportional to 90,542.88, 124,957.08 and 52,829.28 is: 72,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.88 : 124,957.08 = 52,829.28 : x
  2. Step 2: Convert to fraction form
    90,542.88/124,957.08 = 52,829.28/x
  3. Step 3: Cross multiply
    90,542.88x = 124,957.08 × 52,829.28
  4. Step 4: Simplify right side
    90,542.88x = 6,601,392,567.30
  5. Step 5: Solve for x
    x = 6,601,392,567.30/90,542.88
  6. Step 6: Final answer
    x = 72,909.02

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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.