Home / 86,098.20-129,341.72-51,060.84

Finding the Fourth Proportional to 86,098.20, 129,341.72 and 51,060.84

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Solution

The fourth proportional to 86,098.20, 129,341.72 and 51,060.84 is: 76,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098.20 : 129,341.72 = 51,060.84 : x
  2. Step 2: Convert to fraction form
    86,098.20/129,341.72 = 51,060.84/x
  3. Step 3: Cross multiply
    86,098.20x = 129,341.72 × 51,060.84
  4. Step 4: Simplify right side
    86,098.20x = 6,604,296,870.24
  5. Step 5: Solve for x
    x = 6,604,296,870.24/86,098.20
  6. Step 6: Final answer
    x = 76,706.56

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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.