Home / 86,260.36-129,440.64-36,337.36

Finding the Fourth Proportional to 86,260.36, 129,440.64 and 36,337.36

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Solution

The fourth proportional to 86,260.36, 129,440.64 and 36,337.36 is: 54,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,260.36 : 129,440.64 = 36,337.36 : x
  2. Step 2: Convert to fraction form
    86,260.36/129,440.64 = 36,337.36/x
  3. Step 3: Cross multiply
    86,260.36x = 129,440.64 × 36,337.36
  4. Step 4: Simplify right side
    86,260.36x = 4,703,531,134.31
  5. Step 5: Solve for x
    x = 4,703,531,134.31/86,260.36
  6. Step 6: Final answer
    x = 54,527.14

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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.