Home / 90,442.50-124,810.65-50,162.43

Finding the Fourth Proportional to 90,442.50, 124,810.65 and 50,162.43

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Solution

The fourth proportional to 90,442.50, 124,810.65 and 50,162.43 is: 69,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,442.50 : 124,810.65 = 50,162.43 : x
  2. Step 2: Convert to fraction form
    90,442.50/124,810.65 = 50,162.43/x
  3. Step 3: Cross multiply
    90,442.50x = 124,810.65 × 50,162.43
  4. Step 4: Simplify right side
    90,442.50x = 6,260,805,493.88
  5. Step 5: Solve for x
    x = 6,260,805,493.88/90,442.50
  6. Step 6: Final answer
    x = 69,224.15

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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.