Home / 77,251.29-115,847.77-35,669.13

Finding the Fourth Proportional to 77,251.29, 115,847.77 and 35,669.13

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Solution

The fourth proportional to 77,251.29, 115,847.77 and 35,669.13 is: 53,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251.29 : 115,847.77 = 35,669.13 : x
  2. Step 2: Convert to fraction form
    77,251.29/115,847.77 = 35,669.13/x
  3. Step 3: Cross multiply
    77,251.29x = 115,847.77 × 35,669.13
  4. Step 4: Simplify right side
    77,251.29x = 4,132,189,168.34
  5. Step 5: Solve for x
    x = 4,132,189,168.34/77,251.29
  6. Step 6: Final answer
    x = 53,490.23

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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.