Home / 117,581.60-162,264.36-63,867.66

Finding the Fourth Proportional to 117,581.60, 162,264.36 and 63,867.66

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Solution

The fourth proportional to 117,581.60, 162,264.36 and 63,867.66 is: 88,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,581.60 : 162,264.36 = 63,867.66 : x
  2. Step 2: Convert to fraction form
    117,581.60/162,264.36 = 63,867.66/x
  3. Step 3: Cross multiply
    117,581.60x = 162,264.36 × 63,867.66
  4. Step 4: Simplify right side
    117,581.60x = 10,363,444,974.60
  5. Step 5: Solve for x
    x = 10,363,444,974.60/117,581.60
  6. Step 6: Final answer
    x = 88,138.32

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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.