Home / 57,113.85-85,592.17-48,636.49

Finding the Fourth Proportional to 57,113.85, 85,592.17 and 48,636.49

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Solution

The fourth proportional to 57,113.85, 85,592.17 and 48,636.49 is: 72,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.85 : 85,592.17 = 48,636.49 : x
  2. Step 2: Convert to fraction form
    57,113.85/85,592.17 = 48,636.49/x
  3. Step 3: Cross multiply
    57,113.85x = 85,592.17 × 48,636.49
  4. Step 4: Simplify right side
    57,113.85x = 4,162,902,688.69
  5. Step 5: Solve for x
    x = 4,162,902,688.69/57,113.85
  6. Step 6: Final answer
    x = 72,887.80

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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.