Home / 57,157.97-78,882.15-34,502.47

Finding the Fourth Proportional to 57,157.97, 78,882.15 and 34,502.47

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Solution

The fourth proportional to 57,157.97, 78,882.15 and 34,502.47 is: 47,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.97 : 78,882.15 = 34,502.47 : x
  2. Step 2: Convert to fraction form
    57,157.97/78,882.15 = 34,502.47/x
  3. Step 3: Cross multiply
    57,157.97x = 78,882.15 × 34,502.47
  4. Step 4: Simplify right side
    57,157.97x = 2,721,628,446.99
  5. Step 5: Solve for x
    x = 2,721,628,446.99/57,157.97
  6. Step 6: Final answer
    x = 47,615.91

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1.5x scale

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.