Home / 90,458.43-124,812.66-52,209.84

Finding the Fourth Proportional to 90,458.43, 124,812.66 and 52,209.84

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Solution

The fourth proportional to 90,458.43, 124,812.66 and 52,209.84 is: 72,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458.43 : 124,812.66 = 52,209.84 : x
  2. Step 2: Convert to fraction form
    90,458.43/124,812.66 = 52,209.84/x
  3. Step 3: Cross multiply
    90,458.43x = 124,812.66 × 52,209.84
  4. Step 4: Simplify right side
    90,458.43x = 6,516,449,008.57
  5. Step 5: Solve for x
    x = 6,516,449,008.57/90,458.43
  6. Step 6: Final answer
    x = 72,038.05

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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.