Home / 106,331.10-159,422.73-47,134.62

Finding the Fourth Proportional to 106,331.10, 159,422.73 and 47,134.62

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Solution

The fourth proportional to 106,331.10, 159,422.73 and 47,134.62 is: 70,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,331.10 : 159,422.73 = 47,134.62 : x
  2. Step 2: Convert to fraction form
    106,331.10/159,422.73 = 47,134.62/x
  3. Step 3: Cross multiply
    106,331.10x = 159,422.73 × 47,134.62
  4. Step 4: Simplify right side
    106,331.10x = 7,514,329,797.91
  5. Step 5: Solve for x
    x = 7,514,329,797.91/106,331.10
  6. Step 6: Final answer
    x = 70,669.16

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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.