Home / 101,856.15-140,578.38-59,414.76

Finding the Fourth Proportional to 101,856.15, 140,578.38 and 59,414.76

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Solution

The fourth proportional to 101,856.15, 140,578.38 and 59,414.76 is: 82,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,856.15 : 140,578.38 = 59,414.76 : x
  2. Step 2: Convert to fraction form
    101,856.15/140,578.38 = 59,414.76/x
  3. Step 3: Cross multiply
    101,856.15x = 140,578.38 × 59,414.76
  4. Step 4: Simplify right side
    101,856.15x = 8,352,430,708.89
  5. Step 5: Solve for x
    x = 8,352,430,708.89/101,856.15
  6. Step 6: Final answer
    x = 82,002.22

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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.