Home / 106,249.08-159,401.38-39,689.76

Finding the Fourth Proportional to 106,249.08, 159,401.38 and 39,689.76

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Solution

The fourth proportional to 106,249.08, 159,401.38 and 39,689.76 is: 59,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,249.08 : 159,401.38 = 39,689.76 : x
  2. Step 2: Convert to fraction form
    106,249.08/159,401.38 = 39,689.76/x
  3. Step 3: Cross multiply
    106,249.08x = 159,401.38 × 39,689.76
  4. Step 4: Simplify right side
    106,249.08x = 6,326,602,515.87
  5. Step 5: Solve for x
    x = 6,326,602,515.87/106,249.08
  6. Step 6: Final answer
    x = 59,545.01

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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.