Home / 55,381.59-83,146.23-47,114.73

Finding the Fourth Proportional to 55,381.59, 83,146.23 and 47,114.73

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Solution

The fourth proportional to 55,381.59, 83,146.23 and 47,114.73 is: 70,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,381.59 : 83,146.23 = 47,114.73 : x
  2. Step 2: Convert to fraction form
    55,381.59/83,146.23 = 47,114.73/x
  3. Step 3: Cross multiply
    55,381.59x = 83,146.23 × 47,114.73
  4. Step 4: Simplify right side
    55,381.59x = 3,917,412,176.97
  5. Step 5: Solve for x
    x = 3,917,412,176.97/55,381.59
  6. Step 6: Final answer
    x = 70,734.92

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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.