Home / 84,318.10-126,499.02-44,842.75

Finding the Fourth Proportional to 84,318.10, 126,499.02 and 44,842.75

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Solution

The fourth proportional to 84,318.10, 126,499.02 and 44,842.75 is: 67,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,318.10 : 126,499.02 = 44,842.75 : x
  2. Step 2: Convert to fraction form
    84,318.10/126,499.02 = 44,842.75/x
  3. Step 3: Cross multiply
    84,318.10x = 126,499.02 × 44,842.75
  4. Step 4: Simplify right side
    84,318.10x = 5,672,563,929.11
  5. Step 5: Solve for x
    x = 5,672,563,929.11/84,318.10
  6. Step 6: Final answer
    x = 67,275.76

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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.