Home / 86,463.19-119,316.25-47,702.56

Finding the Fourth Proportional to 86,463.19, 119,316.25 and 47,702.56

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Solution

The fourth proportional to 86,463.19, 119,316.25 and 47,702.56 is: 65,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.19 : 119,316.25 = 47,702.56 : x
  2. Step 2: Convert to fraction form
    86,463.19/119,316.25 = 47,702.56/x
  3. Step 3: Cross multiply
    86,463.19x = 119,316.25 × 47,702.56
  4. Step 4: Simplify right side
    86,463.19x = 5,691,690,574.60
  5. Step 5: Solve for x
    x = 5,691,690,574.60/86,463.19
  6. Step 6: Final answer
    x = 65,827.90

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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.