Home / 72,001.10-108,116.85-48,730.70

Finding the Fourth Proportional to 72,001.10, 108,116.85 and 48,730.70

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Solution

The fourth proportional to 72,001.10, 108,116.85 and 48,730.70 is: 73,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,001.10 : 108,116.85 = 48,730.70 : x
  2. Step 2: Convert to fraction form
    72,001.10/108,116.85 = 48,730.70/x
  3. Step 3: Cross multiply
    72,001.10x = 108,116.85 × 48,730.70
  4. Step 4: Simplify right side
    72,001.10x = 5,268,609,782.30
  5. Step 5: Solve for x
    x = 5,268,609,782.30/72,001.10
  6. Step 6: Final answer
    x = 73,174.02

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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.