Home / 63,126.31-87,111.39-36,249.91

Finding the Fourth Proportional to 63,126.31, 87,111.39 and 36,249.91

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Solution

The fourth proportional to 63,126.31, 87,111.39 and 36,249.91 is: 50,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.31 : 87,111.39 = 36,249.91 : x
  2. Step 2: Convert to fraction form
    63,126.31/87,111.39 = 36,249.91/x
  3. Step 3: Cross multiply
    63,126.31x = 87,111.39 × 36,249.91
  4. Step 4: Simplify right side
    63,126.31x = 3,157,780,047.47
  5. Step 5: Solve for x
    x = 3,157,780,047.47/63,126.31
  6. Step 6: Final answer
    x = 50,023.20

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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.