Home / 89,611.10-134,416.65-27,281.60

Finding the Fourth Proportional to 89,611.10, 134,416.65 and 27,281.60

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Solution

The fourth proportional to 89,611.10, 134,416.65 and 27,281.60 is: 40,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.10 : 134,416.65 = 27,281.60 : x
  2. Step 2: Convert to fraction form
    89,611.10/134,416.65 = 27,281.60/x
  3. Step 3: Cross multiply
    89,611.10x = 134,416.65 × 27,281.60
  4. Step 4: Simplify right side
    89,611.10x = 3,667,101,278.64
  5. Step 5: Solve for x
    x = 3,667,101,278.64/89,611.10
  6. Step 6: Final answer
    x = 40,922.40

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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.