Home / 88,516.64-122,163-54,518.24

Finding the Fourth Proportional to 88,516.64, 122,163 and 54,518.24

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Solution

The fourth proportional to 88,516.64, 122,163 and 54,518.24 is: 75,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,516.64 : 122,163 = 54,518.24 : x
  2. Step 2: Convert to fraction form
    88,516.64/122,163 = 54,518.24/x
  3. Step 3: Cross multiply
    88,516.64x = 122,163 × 54,518.24
  4. Step 4: Simplify right side
    88,516.64x = 6,660,111,753.12
  5. Step 5: Solve for x
    x = 6,660,111,753.12/88,516.64
  6. Step 6: Final answer
    x = 75,241.35

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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.