Home / 57,474.95-86,205.13-42,705.41

Finding the Fourth Proportional to 57,474.95, 86,205.13 and 42,705.41

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Solution

The fourth proportional to 57,474.95, 86,205.13 and 42,705.41 is: 64,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.95 : 86,205.13 = 42,705.41 : x
  2. Step 2: Convert to fraction form
    57,474.95/86,205.13 = 42,705.41/x
  3. Step 3: Cross multiply
    57,474.95x = 86,205.13 × 42,705.41
  4. Step 4: Simplify right side
    57,474.95x = 3,681,424,882.96
  5. Step 5: Solve for x
    x = 3,681,424,882.96/57,474.95
  6. Step 6: Final answer
    x = 64,052.69

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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.