Home / 82,235.76-113,538.96-50,422.20

Finding the Fourth Proportional to 82,235.76, 113,538.96 and 50,422.20

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Solution

The fourth proportional to 82,235.76, 113,538.96 and 50,422.20 is: 69,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,235.76 : 113,538.96 = 50,422.20 : x
  2. Step 2: Convert to fraction form
    82,235.76/113,538.96 = 50,422.20/x
  3. Step 3: Cross multiply
    82,235.76x = 113,538.96 × 50,422.20
  4. Step 4: Simplify right side
    82,235.76x = 5,724,884,148.91
  5. Step 5: Solve for x
    x = 5,724,884,148.91/82,235.76
  6. Step 6: Final answer
    x = 69,615.51

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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.