Home / 77,253.29-115,850.76-35,671.13

Finding the Fourth Proportional to 77,253.29, 115,850.76 and 35,671.13

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Solution

The fourth proportional to 77,253.29, 115,850.76 and 35,671.13 is: 53,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253.29 : 115,850.76 = 35,671.13 : x
  2. Step 2: Convert to fraction form
    77,253.29/115,850.76 = 35,671.13/x
  3. Step 3: Cross multiply
    77,253.29x = 115,850.76 × 35,671.13
  4. Step 4: Simplify right side
    77,253.29x = 4,132,526,941.31
  5. Step 5: Solve for x
    x = 4,132,526,941.31/77,253.29
  6. Step 6: Final answer
    x = 53,493.22

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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.