Home / 89,543.08-134,316.07-30,380.27

Finding the Fourth Proportional to 89,543.08, 134,316.07 and 30,380.27

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Solution

The fourth proportional to 89,543.08, 134,316.07 and 30,380.27 is: 45,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543.08 : 134,316.07 = 30,380.27 : x
  2. Step 2: Convert to fraction form
    89,543.08/134,316.07 = 30,380.27/x
  3. Step 3: Cross multiply
    89,543.08x = 134,316.07 × 30,380.27
  4. Step 4: Simplify right side
    89,543.08x = 4,080,558,731.78
  5. Step 5: Solve for x
    x = 4,080,558,731.78/89,543.08
  6. Step 6: Final answer
    x = 45,570.90

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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.