Home / 90,691.17-136,050.84-46,293.90

Finding the Fourth Proportional to 90,691.17, 136,050.84 and 46,293.90

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Solution

The fourth proportional to 90,691.17, 136,050.84 and 46,293.90 is: 69,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,691.17 : 136,050.84 = 46,293.90 : x
  2. Step 2: Convert to fraction form
    90,691.17/136,050.84 = 46,293.90/x
  3. Step 3: Cross multiply
    90,691.17x = 136,050.84 × 46,293.90
  4. Step 4: Simplify right side
    90,691.17x = 6,298,323,981.88
  5. Step 5: Solve for x
    x = 6,298,323,981.88/90,691.17
  6. Step 6: Final answer
    x = 69,448.04

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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.