Home / 72,442.10-108,682.35-25,690.10

Finding the Fourth Proportional to 72,442.10, 108,682.35 and 25,690.10

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Solution

The fourth proportional to 72,442.10, 108,682.35 and 25,690.10 is: 38,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,442.10 : 108,682.35 = 25,690.10 : x
  2. Step 2: Convert to fraction form
    72,442.10/108,682.35 = 25,690.10/x
  3. Step 3: Cross multiply
    72,442.10x = 108,682.35 × 25,690.10
  4. Step 4: Simplify right side
    72,442.10x = 2,792,060,439.74
  5. Step 5: Solve for x
    x = 2,792,060,439.74/72,442.10
  6. Step 6: Final answer
    x = 38,541.96

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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.