Home / 89,742.10-134,611.95-27,412.90

Finding the Fourth Proportional to 89,742.10, 134,611.95 and 27,412.90

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Solution

The fourth proportional to 89,742.10, 134,611.95 and 27,412.90 is: 41,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742.10 : 134,611.95 = 27,412.90 : x
  2. Step 2: Convert to fraction form
    89,742.10/134,611.95 = 27,412.90/x
  3. Step 3: Cross multiply
    89,742.10x = 134,611.95 × 27,412.90
  4. Step 4: Simplify right side
    89,742.10x = 3,690,103,924.16
  5. Step 5: Solve for x
    x = 3,690,103,924.16/89,742.10
  6. Step 6: Final answer
    x = 41,118.98

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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.