Home / 45,118.29-62,120.58-39,736.92

Finding the Fourth Proportional to 45,118.29, 62,120.58 and 39,736.92

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Solution

The fourth proportional to 45,118.29, 62,120.58 and 39,736.92 is: 54,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.29 : 62,120.58 = 39,736.92 : x
  2. Step 2: Convert to fraction form
    45,118.29/62,120.58 = 39,736.92/x
  3. Step 3: Cross multiply
    45,118.29x = 62,120.58 × 39,736.92
  4. Step 4: Simplify right side
    45,118.29x = 2,468,480,517.81
  5. Step 5: Solve for x
    x = 2,468,480,517.81/45,118.29
  6. Step 6: Final answer
    x = 54,711.30

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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.