Home / 76,689.24-115,051.14-23,385.93

Finding the Fourth Proportional to 76,689.24, 115,051.14 and 23,385.93

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Solution

The fourth proportional to 76,689.24, 115,051.14 and 23,385.93 is: 35,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689.24 : 115,051.14 = 23,385.93 : x
  2. Step 2: Convert to fraction form
    76,689.24/115,051.14 = 23,385.93/x
  3. Step 3: Cross multiply
    76,689.24x = 115,051.14 × 23,385.93
  4. Step 4: Simplify right side
    76,689.24x = 2,690,577,906.46
  5. Step 5: Solve for x
    x = 2,690,577,906.46/76,689.24
  6. Step 6: Final answer
    x = 35,084.16

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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.