Home / 75,016.92-103,429.26-48,111.96

Finding the Fourth Proportional to 75,016.92, 103,429.26 and 48,111.96

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Solution

The fourth proportional to 75,016.92, 103,429.26 and 48,111.96 is: 66,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.92 : 103,429.26 = 48,111.96 : x
  2. Step 2: Convert to fraction form
    75,016.92/103,429.26 = 48,111.96/x
  3. Step 3: Cross multiply
    75,016.92x = 103,429.26 × 48,111.96
  4. Step 4: Simplify right side
    75,016.92x = 4,976,184,419.95
  5. Step 5: Solve for x
    x = 4,976,184,419.95/75,016.92
  6. Step 6: Final answer
    x = 66,334.16

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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.