Home / 72,374.90-108,442.32-51,210.04

Finding the Fourth Proportional to 72,374.90, 108,442.32 and 51,210.04

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Solution

The fourth proportional to 72,374.90, 108,442.32 and 51,210.04 is: 76,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,374.90 : 108,442.32 = 51,210.04 : x
  2. Step 2: Convert to fraction form
    72,374.90/108,442.32 = 51,210.04/x
  3. Step 3: Cross multiply
    72,374.90x = 108,442.32 × 51,210.04
  4. Step 4: Simplify right side
    72,374.90x = 5,553,335,273.79
  5. Step 5: Solve for x
    x = 5,553,335,273.79/72,374.90
  6. Step 6: Final answer
    x = 76,730.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.