Home / 77,151.30-106,469.28-44,905.08

Finding the Fourth Proportional to 77,151.30, 106,469.28 and 44,905.08

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Solution

The fourth proportional to 77,151.30, 106,469.28 and 44,905.08 is: 61,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,151.30 : 106,469.28 = 44,905.08 : x
  2. Step 2: Convert to fraction form
    77,151.30/106,469.28 = 44,905.08/x
  3. Step 3: Cross multiply
    77,151.30x = 106,469.28 × 44,905.08
  4. Step 4: Simplify right side
    77,151.30x = 4,781,011,535.94
  5. Step 5: Solve for x
    x = 4,781,011,535.94/77,151.30
  6. Step 6: Final answer
    x = 61,969.29

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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.