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Finding the Fourth Proportional to 57,754.74, 85,852.78 and 56,052.06

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Solution

The fourth proportional to 57,754.74, 85,852.78 and 56,052.06 is: 83,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,754.74 : 85,852.78 = 56,052.06 : x
  2. Step 2: Convert to fraction form
    57,754.74/85,852.78 = 56,052.06/x
  3. Step 3: Cross multiply
    57,754.74x = 85,852.78 × 56,052.06
  4. Step 4: Simplify right side
    57,754.74x = 4,812,225,175.73
  5. Step 5: Solve for x
    x = 4,812,225,175.73/57,754.74
  6. Step 6: Final answer
    x = 83,321.74

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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.