Home / 106,545.26-159,776.34-39,949.10

Finding the Fourth Proportional to 106,545.26, 159,776.34 and 39,949.10

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Solution

The fourth proportional to 106,545.26, 159,776.34 and 39,949.10 is: 59,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,545.26 : 159,776.34 = 39,949.10 : x
  2. Step 2: Convert to fraction form
    106,545.26/159,776.34 = 39,949.10/x
  3. Step 3: Cross multiply
    106,545.26x = 159,776.34 × 39,949.10
  4. Step 4: Simplify right side
    106,545.26x = 6,382,920,984.29
  5. Step 5: Solve for x
    x = 6,382,920,984.29/106,545.26
  6. Step 6: Final answer
    x = 59,908.07

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1.5x scale

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.