Home / 90,279.20-124,570.62-52,040.31

Finding the Fourth Proportional to 90,279.20, 124,570.62 and 52,040.31

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Solution

The fourth proportional to 90,279.20, 124,570.62 and 52,040.31 is: 71,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279.20 : 124,570.62 = 52,040.31 : x
  2. Step 2: Convert to fraction form
    90,279.20/124,570.62 = 52,040.31/x
  3. Step 3: Cross multiply
    90,279.20x = 124,570.62 × 52,040.31
  4. Step 4: Simplify right side
    90,279.20x = 6,482,693,681.69
  5. Step 5: Solve for x
    x = 6,482,693,681.69/90,279.20
  6. Step 6: Final answer
    x = 71,807.17

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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.