Home / 72,442.10-108,636.53-25,045.04

Finding the Fourth Proportional to 72,442.10, 108,636.53 and 25,045.04

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Solution

The fourth proportional to 72,442.10, 108,636.53 and 25,045.04 is: 37,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,442.10 : 108,636.53 = 25,045.04 : x
  2. Step 2: Convert to fraction form
    72,442.10/108,636.53 = 25,045.04/x
  3. Step 3: Cross multiply
    72,442.10x = 108,636.53 × 25,045.04
  4. Step 4: Simplify right side
    72,442.10x = 2,720,805,570.90
  5. Step 5: Solve for x
    x = 2,720,805,570.90/72,442.10
  6. Step 6: Final answer
    x = 37,558.35

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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.