Home / 86,242.25-129,311.51-32,937.77

Finding the Fourth Proportional to 86,242.25, 129,311.51 and 32,937.77

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Solution

The fourth proportional to 86,242.25, 129,311.51 and 32,937.77 is: 49,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.25 : 129,311.51 = 32,937.77 : x
  2. Step 2: Convert to fraction form
    86,242.25/129,311.51 = 32,937.77/x
  3. Step 3: Cross multiply
    86,242.25x = 129,311.51 × 32,937.77
  4. Step 4: Simplify right side
    86,242.25x = 4,259,231,963.49
  5. Step 5: Solve for x
    x = 4,259,231,963.49/86,242.25
  6. Step 6: Final answer
    x = 49,386.84

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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.