Home / 86,469.40-129,742.22-36,583.92

Finding the Fourth Proportional to 86,469.40, 129,742.22 and 36,583.92

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Solution

The fourth proportional to 86,469.40, 129,742.22 and 36,583.92 is: 54,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469.40 : 129,742.22 = 36,583.92 : x
  2. Step 2: Convert to fraction form
    86,469.40/129,742.22 = 36,583.92/x
  3. Step 3: Cross multiply
    86,469.40x = 129,742.22 × 36,583.92
  4. Step 4: Simplify right side
    86,469.40x = 4,746,478,997.10
  5. Step 5: Solve for x
    x = 4,746,478,997.10/86,469.40
  6. Step 6: Final answer
    x = 54,892.01

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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.