Home / 49,385.70-74,079.36-34,617.78

Finding the Fourth Proportional to 49,385.70, 74,079.36 and 34,617.78

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Solution

The fourth proportional to 49,385.70, 74,079.36 and 34,617.78 is: 51,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.70 : 74,079.36 = 34,617.78 : x
  2. Step 2: Convert to fraction form
    49,385.70/74,079.36 = 34,617.78/x
  3. Step 3: Cross multiply
    49,385.70x = 74,079.36 × 34,617.78
  4. Step 4: Simplify right side
    49,385.70x = 2,564,462,987.02
  5. Step 5: Solve for x
    x = 2,564,462,987.02/49,385.70
  6. Step 6: Final answer
    x = 51,927.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.