Home / 115,841.85-159,862.14-64,856.73

Finding the Fourth Proportional to 115,841.85, 159,862.14 and 64,856.73

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Solution

The fourth proportional to 115,841.85, 159,862.14 and 64,856.73 is: 89,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,841.85 : 159,862.14 = 64,856.73 : x
  2. Step 2: Convert to fraction form
    115,841.85/159,862.14 = 64,856.73/x
  3. Step 3: Cross multiply
    115,841.85x = 159,862.14 × 64,856.73
  4. Step 4: Simplify right side
    115,841.85x = 10,368,136,250.69
  5. Step 5: Solve for x
    x = 10,368,136,250.69/115,841.85
  6. Step 6: Final answer
    x = 89,502.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.