Home / 106,587.70-159,918.91-47,428.74

Finding the Fourth Proportional to 106,587.70, 159,918.91 and 47,428.74

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Solution

The fourth proportional to 106,587.70, 159,918.91 and 47,428.74 is: 71,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,587.70 : 159,918.91 = 47,428.74 : x
  2. Step 2: Convert to fraction form
    106,587.70/159,918.91 = 47,428.74/x
  3. Step 3: Cross multiply
    106,587.70x = 159,918.91 × 47,428.74
  4. Step 4: Simplify right side
    106,587.70x = 7,584,752,284.90
  5. Step 5: Solve for x
    x = 7,584,752,284.90/106,587.70
  6. Step 6: Final answer
    x = 71,159.73

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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.