Home / 84,423.11-116,454.03-58,541.31

Finding the Fourth Proportional to 84,423.11, 116,454.03 and 58,541.31

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Solution

The fourth proportional to 84,423.11, 116,454.03 and 58,541.31 is: 80,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,423.11 : 116,454.03 = 58,541.31 : x
  2. Step 2: Convert to fraction form
    84,423.11/116,454.03 = 58,541.31/x
  3. Step 3: Cross multiply
    84,423.11x = 116,454.03 × 58,541.31
  4. Step 4: Simplify right side
    84,423.11x = 6,817,371,470.98
  5. Step 5: Solve for x
    x = 6,817,371,470.98/84,423.11
  6. Step 6: Final answer
    x = 80,752.44

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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.