Home / 86,376.18-129,633.39-44,835.06

Finding the Fourth Proportional to 86,376.18, 129,633.39 and 44,835.06

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Solution

The fourth proportional to 86,376.18, 129,633.39 and 44,835.06 is: 67,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376.18 : 129,633.39 = 44,835.06 : x
  2. Step 2: Convert to fraction form
    86,376.18/129,633.39 = 44,835.06/x
  3. Step 3: Cross multiply
    86,376.18x = 129,633.39 × 44,835.06
  4. Step 4: Simplify right side
    86,376.18x = 5,812,120,818.65
  5. Step 5: Solve for x
    x = 5,812,120,818.65/86,376.18
  6. Step 6: Final answer
    x = 67,288.47

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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.