Home / 106,545.51-159,776.72-39,949.35

Finding the Fourth Proportional to 106,545.51, 159,776.72 and 39,949.35

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Solution

The fourth proportional to 106,545.51, 159,776.72 and 39,949.35 is: 59,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,545.51 : 159,776.72 = 39,949.35 : x
  2. Step 2: Convert to fraction form
    106,545.51/159,776.72 = 39,949.35/x
  3. Step 3: Cross multiply
    106,545.51x = 159,776.72 × 39,949.35
  4. Step 4: Simplify right side
    106,545.51x = 6,382,975,909.39
  5. Step 5: Solve for x
    x = 6,382,975,909.39/106,545.51
  6. Step 6: Final answer
    x = 59,908.45

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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.