Home / 90,574.47-124,996.37-52,332.75

Finding the Fourth Proportional to 90,574.47, 124,996.37 and 52,332.75

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Solution

The fourth proportional to 90,574.47, 124,996.37 and 52,332.75 is: 72,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.47 : 124,996.37 = 52,332.75 : x
  2. Step 2: Convert to fraction form
    90,574.47/124,996.37 = 52,332.75/x
  3. Step 3: Cross multiply
    90,574.47x = 124,996.37 × 52,332.75
  4. Step 4: Simplify right side
    90,574.47x = 6,541,403,520.45
  5. Step 5: Solve for x
    x = 6,541,403,520.45/90,574.47
  6. Step 6: Final answer
    x = 72,221.27

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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.