Home / 102,023.28-140,791.14-56,701.44

Finding the Fourth Proportional to 102,023.28, 140,791.14 and 56,701.44

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Solution

The fourth proportional to 102,023.28, 140,791.14 and 56,701.44 is: 78,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,023.28 : 140,791.14 = 56,701.44 : x
  2. Step 2: Convert to fraction form
    102,023.28/140,791.14 = 56,701.44/x
  3. Step 3: Cross multiply
    102,023.28x = 140,791.14 × 56,701.44
  4. Step 4: Simplify right side
    102,023.28x = 7,983,060,377.24
  5. Step 5: Solve for x
    x = 7,983,060,377.24/102,023.28
  6. Step 6: Final answer
    x = 78,247.44

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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.