Home / 88,518.64-122,165.76-54,520.24

Finding the Fourth Proportional to 88,518.64, 122,165.76 and 54,520.24

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Solution

The fourth proportional to 88,518.64, 122,165.76 and 54,520.24 is: 75,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,518.64 : 122,165.76 = 54,520.24 : x
  2. Step 2: Convert to fraction form
    88,518.64/122,165.76 = 54,520.24/x
  3. Step 3: Cross multiply
    88,518.64x = 122,165.76 × 54,520.24
  4. Step 4: Simplify right side
    88,518.64x = 6,660,506,554.98
  5. Step 5: Solve for x
    x = 6,660,506,554.98/88,518.64
  6. Step 6: Final answer
    x = 75,244.11

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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.