Home / 101,672.42-140,306.27-56,350.26

Finding the Fourth Proportional to 101,672.42, 140,306.27 and 56,350.26

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Solution

The fourth proportional to 101,672.42, 140,306.27 and 56,350.26 is: 77,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,672.42 : 140,306.27 = 56,350.26 : x
  2. Step 2: Convert to fraction form
    101,672.42/140,306.27 = 56,350.26/x
  3. Step 3: Cross multiply
    101,672.42x = 140,306.27 × 56,350.26
  4. Step 4: Simplify right side
    101,672.42x = 7,906,294,512.38
  5. Step 5: Solve for x
    x = 7,906,294,512.38/101,672.42
  6. Step 6: Final answer
    x = 77,762.43

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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.