Home / 90,562.08-124,976.16-50,275.20

Finding the Fourth Proportional to 90,562.08, 124,976.16 and 50,275.20

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Solution

The fourth proportional to 90,562.08, 124,976.16 and 50,275.20 is: 69,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,562.08 : 124,976.16 = 50,275.20 : x
  2. Step 2: Convert to fraction form
    90,562.08/124,976.16 = 50,275.20/x
  3. Step 3: Cross multiply
    90,562.08x = 124,976.16 × 50,275.20
  4. Step 4: Simplify right side
    90,562.08x = 6,283,201,439.23
  5. Step 5: Solve for x
    x = 6,283,201,439.23/90,562.08
  6. Step 6: Final answer
    x = 69,380.05

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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.