Home / 90,214.52-124,498.08-58,438.71

Finding the Fourth Proportional to 90,214.52, 124,498.08 and 58,438.71

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Solution

The fourth proportional to 90,214.52, 124,498.08 and 58,438.71 is: 80,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.52 : 124,498.08 = 58,438.71 : x
  2. Step 2: Convert to fraction form
    90,214.52/124,498.08 = 58,438.71/x
  3. Step 3: Cross multiply
    90,214.52x = 124,498.08 × 58,438.71
  4. Step 4: Simplify right side
    90,214.52x = 7,275,507,192.68
  5. Step 5: Solve for x
    x = 7,275,507,192.68/90,214.52
  6. Step 6: Final answer
    x = 80,646.75

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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.