Home / 106,979.72-147,633.18-59,233.92

Finding the Fourth Proportional to 106,979.72, 147,633.18 and 59,233.92

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Solution

The fourth proportional to 106,979.72, 147,633.18 and 59,233.92 is: 81,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,979.72 : 147,633.18 = 59,233.92 : x
  2. Step 2: Convert to fraction form
    106,979.72/147,633.18 = 59,233.92/x
  3. Step 3: Cross multiply
    106,979.72x = 147,633.18 × 59,233.92
  4. Step 4: Simplify right side
    106,979.72x = 8,744,891,973.47
  5. Step 5: Solve for x
    x = 8,744,891,973.47/106,979.72
  6. Step 6: Final answer
    x = 81,743.46

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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.