Home / 72,600.18-108,913.05-25,853.10

Finding the Fourth Proportional to 72,600.18, 108,913.05 and 25,853.10

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Solution

The fourth proportional to 72,600.18, 108,913.05 and 25,853.10 is: 38,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600.18 : 108,913.05 = 25,853.10 : x
  2. Step 2: Convert to fraction form
    72,600.18/108,913.05 = 25,853.10/x
  3. Step 3: Cross multiply
    72,600.18x = 108,913.05 × 25,853.10
  4. Step 4: Simplify right side
    72,600.18x = 2,815,739,972.96
  5. Step 5: Solve for x
    x = 2,815,739,972.96/72,600.18
  6. Step 6: Final answer
    x = 38,784.20

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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.