Home / 76,877.53-115,316.28-23,569.65

Finding the Fourth Proportional to 76,877.53, 115,316.28 and 23,569.65

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Solution

The fourth proportional to 76,877.53, 115,316.28 and 23,569.65 is: 35,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,877.53 : 115,316.28 = 23,569.65 : x
  2. Step 2: Convert to fraction form
    76,877.53/115,316.28 = 23,569.65/x
  3. Step 3: Cross multiply
    76,877.53x = 115,316.28 × 23,569.65
  4. Step 4: Simplify right side
    76,877.53x = 2,717,964,358.90
  5. Step 5: Solve for x
    x = 2,717,964,358.90/76,877.53
  6. Step 6: Final answer
    x = 35,354.47

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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.