Home / 75,120.46-112,606.56-41,856.18

Finding the Fourth Proportional to 75,120.46, 112,606.56 and 41,856.18

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Solution

The fourth proportional to 75,120.46, 112,606.56 and 41,856.18 is: 62,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,120.46 : 112,606.56 = 41,856.18 : x
  2. Step 2: Convert to fraction form
    75,120.46/112,606.56 = 41,856.18/x
  3. Step 3: Cross multiply
    75,120.46x = 112,606.56 × 41,856.18
  4. Step 4: Simplify right side
    75,120.46x = 4,713,280,444.54
  5. Step 5: Solve for x
    x = 4,713,280,444.54/75,120.46
  6. Step 6: Final answer
    x = 62,742.97

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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.