Home / 72,622.10-108,641.55-62,869.70

Finding the Fourth Proportional to 72,622.10, 108,641.55 and 62,869.70

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Solution

The fourth proportional to 72,622.10, 108,641.55 and 62,869.70 is: 94,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,622.10 : 108,641.55 = 62,869.70 : x
  2. Step 2: Convert to fraction form
    72,622.10/108,641.55 = 62,869.70/x
  3. Step 3: Cross multiply
    72,622.10x = 108,641.55 × 62,869.70
  4. Step 4: Simplify right side
    72,622.10x = 6,830,261,656.04
  5. Step 5: Solve for x
    x = 6,830,261,656.04/72,622.10
  6. Step 6: Final answer
    x = 94,052.11

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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.