Home / 57,113.27-78,852.09-36,703.61

Finding the Fourth Proportional to 57,113.27, 78,852.09 and 36,703.61

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Solution

The fourth proportional to 57,113.27, 78,852.09 and 36,703.61 is: 50,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.27 : 78,852.09 = 36,703.61 : x
  2. Step 2: Convert to fraction form
    57,113.27/78,852.09 = 36,703.61/x
  3. Step 3: Cross multiply
    57,113.27x = 78,852.09 × 36,703.61
  4. Step 4: Simplify right side
    57,113.27x = 2,894,156,359.04
  5. Step 5: Solve for x
    x = 2,894,156,359.04/57,113.27
  6. Step 6: Final answer
    x = 50,673.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.