Home / 63,132.55-87,131.21-43,999.94

Finding the Fourth Proportional to 63,132.55, 87,131.21 and 43,999.94

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Solution

The fourth proportional to 63,132.55, 87,131.21 and 43,999.94 is: 60,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,132.55 : 87,131.21 = 43,999.94 : x
  2. Step 2: Convert to fraction form
    63,132.55/87,131.21 = 43,999.94/x
  3. Step 3: Cross multiply
    63,132.55x = 87,131.21 × 43,999.94
  4. Step 4: Simplify right side
    63,132.55x = 3,833,768,009.96
  5. Step 5: Solve for x
    x = 3,833,768,009.96/63,132.55
  6. Step 6: Final answer
    x = 60,725.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.