Home / 86,373.18-129,628.89-44,832.06

Finding the Fourth Proportional to 86,373.18, 129,628.89 and 44,832.06

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Solution

The fourth proportional to 86,373.18, 129,628.89 and 44,832.06 is: 67,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373.18 : 129,628.89 = 44,832.06 : x
  2. Step 2: Convert to fraction form
    86,373.18/129,628.89 = 44,832.06/x
  3. Step 3: Cross multiply
    86,373.18x = 129,628.89 × 44,832.06
  4. Step 4: Simplify right side
    86,373.18x = 5,811,530,174.21
  5. Step 5: Solve for x
    x = 5,811,530,174.21/86,373.18
  6. Step 6: Final answer
    x = 67,283.97

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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.