Home / 86,580.18-119,446.92-58,304.70

Finding the Fourth Proportional to 86,580.18, 119,446.92 and 58,304.70

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Solution

The fourth proportional to 86,580.18, 119,446.92 and 58,304.70 is: 80,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.18 : 119,446.92 = 58,304.70 : x
  2. Step 2: Convert to fraction form
    86,580.18/119,446.92 = 58,304.70/x
  3. Step 3: Cross multiply
    86,580.18x = 119,446.92 × 58,304.70
  4. Step 4: Simplify right side
    86,580.18x = 6,964,316,836.52
  5. Step 5: Solve for x
    x = 6,964,316,836.52/86,580.18
  6. Step 6: Final answer
    x = 80,437.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.