Home / 88,166.14-121,680.39-54,637.18

Finding the Fourth Proportional to 88,166.14, 121,680.39 and 54,637.18

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Solution

The fourth proportional to 88,166.14, 121,680.39 and 54,637.18 is: 75,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.14 : 121,680.39 = 54,637.18 : x
  2. Step 2: Convert to fraction form
    88,166.14/121,680.39 = 54,637.18/x
  3. Step 3: Cross multiply
    88,166.14x = 121,680.39 × 54,637.18
  4. Step 4: Simplify right side
    88,166.14x = 6,648,273,370.90
  5. Step 5: Solve for x
    x = 6,648,273,370.90/88,166.14
  6. Step 6: Final answer
    x = 75,406.20

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1.5x scale

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.