Home / 89,741.60-134,611.20-27,412.40

Finding the Fourth Proportional to 89,741.60, 134,611.20 and 27,412.40

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Solution

The fourth proportional to 89,741.60, 134,611.20 and 27,412.40 is: 41,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,741.60 : 134,611.20 = 27,412.40 : x
  2. Step 2: Convert to fraction form
    89,741.60/134,611.20 = 27,412.40/x
  3. Step 3: Cross multiply
    89,741.60x = 134,611.20 × 27,412.40
  4. Step 4: Simplify right side
    89,741.60x = 3,690,016,058.88
  5. Step 5: Solve for x
    x = 3,690,016,058.88/89,741.60
  6. Step 6: Final answer
    x = 41,118.23

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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.