Home / 117,582.22-162,264.63-63,867.75

Finding the Fourth Proportional to 117,582.22, 162,264.63 and 63,867.75

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Solution

The fourth proportional to 117,582.22, 162,264.63 and 63,867.75 is: 88,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,582.22 : 162,264.63 = 63,867.75 : x
  2. Step 2: Convert to fraction form
    117,582.22/162,264.63 = 63,867.75/x
  3. Step 3: Cross multiply
    117,582.22x = 162,264.63 × 63,867.75
  4. Step 4: Simplify right side
    117,582.22x = 10,363,476,822.68
  5. Step 5: Solve for x
    x = 10,363,476,822.68/117,582.22
  6. Step 6: Final answer
    x = 88,138.13

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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.