Home / 58,720.97-88,078.32-20,767.61

Finding the Fourth Proportional to 58,720.97, 88,078.32 and 20,767.61

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Solution

The fourth proportional to 58,720.97, 88,078.32 and 20,767.61 is: 31,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.97 : 88,078.32 = 20,767.61 : x
  2. Step 2: Convert to fraction form
    58,720.97/88,078.32 = 20,767.61/x
  3. Step 3: Cross multiply
    58,720.97x = 88,078.32 × 20,767.61
  4. Step 4: Simplify right side
    58,720.97x = 1,829,176,095.38
  5. Step 5: Solve for x
    x = 1,829,176,095.38/58,720.97
  6. Step 6: Final answer
    x = 31,150.30

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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.