Home / 78,463.28-108,281.18-44,475.23

Finding the Fourth Proportional to 78,463.28, 108,281.18 and 44,475.23

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Solution

The fourth proportional to 78,463.28, 108,281.18 and 44,475.23 is: 61,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463.28 : 108,281.18 = 44,475.23 : x
  2. Step 2: Convert to fraction form
    78,463.28/108,281.18 = 44,475.23/x
  3. Step 3: Cross multiply
    78,463.28x = 108,281.18 × 44,475.23
  4. Step 4: Simplify right side
    78,463.28x = 4,815,830,385.17
  5. Step 5: Solve for x
    x = 4,815,830,385.17/78,463.28
  6. Step 6: Final answer
    x = 61,376.87

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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.