Home / 57,049.48-85,443.63-34,813.90

Finding the Fourth Proportional to 57,049.48, 85,443.63 and 34,813.90

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Solution

The fourth proportional to 57,049.48, 85,443.63 and 34,813.90 is: 52,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.48 : 85,443.63 = 34,813.90 : x
  2. Step 2: Convert to fraction form
    57,049.48/85,443.63 = 34,813.90/x
  3. Step 3: Cross multiply
    57,049.48x = 85,443.63 × 34,813.90
  4. Step 4: Simplify right side
    57,049.48x = 2,974,625,990.46
  5. Step 5: Solve for x
    x = 2,974,625,990.46/57,049.48
  6. Step 6: Final answer
    x = 52,141.16

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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.