Home / 76,429.83-114,641.66-38,989.08

Finding the Fourth Proportional to 76,429.83, 114,641.66 and 38,989.08

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Solution

The fourth proportional to 76,429.83, 114,641.66 and 38,989.08 is: 58,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429.83 : 114,641.66 = 38,989.08 : x
  2. Step 2: Convert to fraction form
    76,429.83/114,641.66 = 38,989.08/x
  3. Step 3: Cross multiply
    76,429.83x = 114,641.66 × 38,989.08
  4. Step 4: Simplify right side
    76,429.83x = 4,469,772,084.92
  5. Step 5: Solve for x
    x = 4,469,772,084.92/76,429.83
  6. Step 6: Final answer
    x = 58,482.04

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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.