Home / 106,545.14-159,776.15-39,948.98

Finding the Fourth Proportional to 106,545.14, 159,776.15 and 39,948.98

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Solution

The fourth proportional to 106,545.14, 159,776.15 and 39,948.98 is: 59,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,545.14 : 159,776.15 = 39,948.98 : x
  2. Step 2: Convert to fraction form
    106,545.14/159,776.15 = 39,948.98/x
  3. Step 3: Cross multiply
    106,545.14x = 159,776.15 × 39,948.98
  4. Step 4: Simplify right side
    106,545.14x = 6,382,893,521.82
  5. Step 5: Solve for x
    x = 6,382,893,521.82/106,545.14
  6. Step 6: Final answer
    x = 59,907.88

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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.