Home / 57,227.68-78,973.80-31,734.02

Finding the Fourth Proportional to 57,227.68, 78,973.80 and 31,734.02

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Solution

The fourth proportional to 57,227.68, 78,973.80 and 31,734.02 is: 43,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.68 : 78,973.80 = 31,734.02 : x
  2. Step 2: Convert to fraction form
    57,227.68/78,973.80 = 31,734.02/x
  3. Step 3: Cross multiply
    57,227.68x = 78,973.80 × 31,734.02
  4. Step 4: Simplify right side
    57,227.68x = 2,506,156,148.68
  5. Step 5: Solve for x
    x = 2,506,156,148.68/57,227.68
  6. Step 6: Final answer
    x = 43,792.73

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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.