Home / 72,207.10-108,019.05-62,454.70

Finding the Fourth Proportional to 72,207.10, 108,019.05 and 62,454.70

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Solution

The fourth proportional to 72,207.10, 108,019.05 and 62,454.70 is: 93,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,207.10 : 108,019.05 = 62,454.70 : x
  2. Step 2: Convert to fraction form
    72,207.10/108,019.05 = 62,454.70/x
  3. Step 3: Cross multiply
    72,207.10x = 108,019.05 × 62,454.70
  4. Step 4: Simplify right side
    72,207.10x = 6,746,297,362.04
  5. Step 5: Solve for x
    x = 6,746,297,362.04/72,207.10
  6. Step 6: Final answer
    x = 93,429.83

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1.5x scale

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.