Home / 52,541.12-78,811.68-17,480.72

Finding the Fourth Proportional to 52,541.12, 78,811.68 and 17,480.72

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Solution

The fourth proportional to 52,541.12, 78,811.68 and 17,480.72 is: 26,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.12 : 78,811.68 = 17,480.72 : x
  2. Step 2: Convert to fraction form
    52,541.12/78,811.68 = 17,480.72/x
  3. Step 3: Cross multiply
    52,541.12x = 78,811.68 × 17,480.72
  4. Step 4: Simplify right side
    52,541.12x = 1,377,684,910.81
  5. Step 5: Solve for x
    x = 1,377,684,910.81/52,541.12
  6. Step 6: Final answer
    x = 26,221.08

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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.