Home / 57,157.46-78,881.45-34,501.97

Finding the Fourth Proportional to 57,157.46, 78,881.45 and 34,501.97

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Solution

The fourth proportional to 57,157.46, 78,881.45 and 34,501.97 is: 47,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.46 : 78,881.45 = 34,501.97 : x
  2. Step 2: Convert to fraction form
    57,157.46/78,881.45 = 34,501.97/x
  3. Step 3: Cross multiply
    57,157.46x = 78,881.45 × 34,501.97
  4. Step 4: Simplify right side
    57,157.46x = 2,721,565,113.30
  5. Step 5: Solve for x
    x = 2,721,565,113.30/57,157.46
  6. Step 6: Final answer
    x = 47,615.22

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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.