Home / 57,325.74-85,397.40-55,584.78

Finding the Fourth Proportional to 57,325.74, 85,397.40 and 55,584.78

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Solution

The fourth proportional to 57,325.74, 85,397.40 and 55,584.78 is: 82,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,325.74 : 85,397.40 = 55,584.78 : x
  2. Step 2: Convert to fraction form
    57,325.74/85,397.40 = 55,584.78/x
  3. Step 3: Cross multiply
    57,325.74x = 85,397.40 × 55,584.78
  4. Step 4: Simplify right side
    57,325.74x = 4,746,795,691.57
  5. Step 5: Solve for x
    x = 4,746,795,691.57/57,325.74
  6. Step 6: Final answer
    x = 82,803.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.