Home / 82,031.28-113,203.08-44,305.56

Finding the Fourth Proportional to 82,031.28, 113,203.08 and 44,305.56

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Solution

The fourth proportional to 82,031.28, 113,203.08 and 44,305.56 is: 61,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,031.28 : 113,203.08 = 44,305.56 : x
  2. Step 2: Convert to fraction form
    82,031.28/113,203.08 = 44,305.56/x
  3. Step 3: Cross multiply
    82,031.28x = 113,203.08 × 44,305.56
  4. Step 4: Simplify right side
    82,031.28x = 5,015,525,853.12
  5. Step 5: Solve for x
    x = 5,015,525,853.12/82,031.28
  6. Step 6: Final answer
    x = 61,141.63

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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.