Home / 101,854.48-140,560.68-56,535.38

Finding the Fourth Proportional to 101,854.48, 140,560.68 and 56,535.38

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Solution

The fourth proportional to 101,854.48, 140,560.68 and 56,535.38 is: 78,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,854.48 : 140,560.68 = 56,535.38 : x
  2. Step 2: Convert to fraction form
    101,854.48/140,560.68 = 56,535.38/x
  3. Step 3: Cross multiply
    101,854.48x = 140,560.68 × 56,535.38
  4. Step 4: Simplify right side
    101,854.48x = 7,946,651,456.86
  5. Step 5: Solve for x
    x = 7,946,651,456.86/101,854.48
  6. Step 6: Final answer
    x = 78,019.66

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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.