Home / 100,162.66-138,180.36-59,856.16

Finding the Fourth Proportional to 100,162.66, 138,180.36 and 59,856.16

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Solution

The fourth proportional to 100,162.66, 138,180.36 and 59,856.16 is: 82,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,162.66 : 138,180.36 = 59,856.16 : x
  2. Step 2: Convert to fraction form
    100,162.66/138,180.36 = 59,856.16/x
  3. Step 3: Cross multiply
    100,162.66x = 138,180.36 × 59,856.16
  4. Step 4: Simplify right side
    100,162.66x = 8,270,945,737.02
  5. Step 5: Solve for x
    x = 8,270,945,737.02/100,162.66
  6. Step 6: Final answer
    x = 82,575.14

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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.