Home / 76,998.76-115,509.08-23,695.16

Finding the Fourth Proportional to 76,998.76, 115,509.08 and 23,695.16

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Solution

The fourth proportional to 76,998.76, 115,509.08 and 23,695.16 is: 35,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.76 : 115,509.08 = 23,695.16 : x
  2. Step 2: Convert to fraction form
    76,998.76/115,509.08 = 23,695.16/x
  3. Step 3: Cross multiply
    76,998.76x = 115,509.08 × 23,695.16
  4. Step 4: Simplify right side
    76,998.76x = 2,737,006,132.05
  5. Step 5: Solve for x
    x = 2,737,006,132.05/76,998.76
  6. Step 6: Final answer
    x = 35,546.11

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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.