Home / 82,570.56-123,824.15-35,155.59

Finding the Fourth Proportional to 82,570.56, 123,824.15 and 35,155.59

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Solution

The fourth proportional to 82,570.56, 123,824.15 and 35,155.59 is: 52,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570.56 : 123,824.15 = 35,155.59 : x
  2. Step 2: Convert to fraction form
    82,570.56/123,824.15 = 35,155.59/x
  3. Step 3: Cross multiply
    82,570.56x = 123,824.15 × 35,155.59
  4. Step 4: Simplify right side
    82,570.56x = 4,353,110,873.72
  5. Step 5: Solve for x
    x = 4,353,110,873.72/82,570.56
  6. Step 6: Final answer
    x = 52,719.89

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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.