Home / 106,791.12-147,372.42-59,046.16

Finding the Fourth Proportional to 106,791.12, 147,372.42 and 59,046.16

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Solution

The fourth proportional to 106,791.12, 147,372.42 and 59,046.16 is: 81,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,791.12 : 147,372.42 = 59,046.16 : x
  2. Step 2: Convert to fraction form
    106,791.12/147,372.42 = 59,046.16/x
  3. Step 3: Cross multiply
    106,791.12x = 147,372.42 × 59,046.16
  4. Step 4: Simplify right side
    106,791.12x = 8,701,775,490.91
  5. Step 5: Solve for x
    x = 8,701,775,490.91/106,791.12
  6. Step 6: Final answer
    x = 81,484.07

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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.