Home / 89,514.20-134,271.30-54,522.20

Finding the Fourth Proportional to 89,514.20, 134,271.30 and 54,522.20

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Solution

The fourth proportional to 89,514.20, 134,271.30 and 54,522.20 is: 81,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,514.20 : 134,271.30 = 54,522.20 : x
  2. Step 2: Convert to fraction form
    89,514.20/134,271.30 = 54,522.20/x
  3. Step 3: Cross multiply
    89,514.20x = 134,271.30 × 54,522.20
  4. Step 4: Simplify right side
    89,514.20x = 7,320,766,672.86
  5. Step 5: Solve for x
    x = 7,320,766,672.86/89,514.20
  6. Step 6: Final answer
    x = 81,783.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.