Home / 89,543.20-134,314.80-27,205.60

Finding the Fourth Proportional to 89,543.20, 134,314.80 and 27,205.60

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Solution

The fourth proportional to 89,543.20, 134,314.80 and 27,205.60 is: 40,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543.20 : 134,314.80 = 27,205.60 : x
  2. Step 2: Convert to fraction form
    89,543.20/134,314.80 = 27,205.60/x
  3. Step 3: Cross multiply
    89,543.20x = 134,314.80 × 27,205.60
  4. Step 4: Simplify right side
    89,543.20x = 3,654,114,722.88
  5. Step 5: Solve for x
    x = 3,654,114,722.88/89,543.20
  6. Step 6: Final answer
    x = 40,808.40

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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.