Home / 74,824.13-103,257.90-40,832.88

Finding the Fourth Proportional to 74,824.13, 103,257.90 and 40,832.88

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Solution

The fourth proportional to 74,824.13, 103,257.90 and 40,832.88 is: 56,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824.13 : 103,257.90 = 40,832.88 : x
  2. Step 2: Convert to fraction form
    74,824.13/103,257.90 = 40,832.88/x
  3. Step 3: Cross multiply
    74,824.13x = 103,257.90 × 40,832.88
  4. Step 4: Simplify right side
    74,824.13x = 4,216,317,235.59
  5. Step 5: Solve for x
    x = 4,216,317,235.59/74,824.13
  6. Step 6: Final answer
    x = 56,349.70

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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.