Home / 82,445.12-113,773.76-44,719.36

Finding the Fourth Proportional to 82,445.12, 113,773.76 and 44,719.36

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Solution

The fourth proportional to 82,445.12, 113,773.76 and 44,719.36 is: 61,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.12 : 113,773.76 = 44,719.36 : x
  2. Step 2: Convert to fraction form
    82,445.12/113,773.76 = 44,719.36/x
  3. Step 3: Cross multiply
    82,445.12x = 113,773.76 × 44,719.36
  4. Step 4: Simplify right side
    82,445.12x = 5,087,889,731.99
  5. Step 5: Solve for x
    x = 5,087,889,731.99/82,445.12
  6. Step 6: Final answer
    x = 61,712.44

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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.