Home / 86,099.20-129,343.22-51,061.84

Finding the Fourth Proportional to 86,099.20, 129,343.22 and 51,061.84

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Solution

The fourth proportional to 86,099.20, 129,343.22 and 51,061.84 is: 76,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,099.20 : 129,343.22 = 51,061.84 : x
  2. Step 2: Convert to fraction form
    86,099.20/129,343.22 = 51,061.84/x
  3. Step 3: Cross multiply
    86,099.20x = 129,343.22 × 51,061.84
  4. Step 4: Simplify right side
    86,099.20x = 6,604,502,804.72
  5. Step 5: Solve for x
    x = 6,604,502,804.72/86,099.20
  6. Step 6: Final answer
    x = 76,708.06

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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.