Home / 89,871.68-124,015.92-49,586.96

Finding the Fourth Proportional to 89,871.68, 124,015.92 and 49,586.96

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Solution

The fourth proportional to 89,871.68, 124,015.92 and 49,586.96 is: 68,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,871.68 : 124,015.92 = 49,586.96 : x
  2. Step 2: Convert to fraction form
    89,871.68/124,015.92 = 49,586.96/x
  3. Step 3: Cross multiply
    89,871.68x = 124,015.92 × 49,586.96
  4. Step 4: Simplify right side
    89,871.68x = 6,149,572,464.40
  5. Step 5: Solve for x
    x = 6,149,572,464.40/89,871.68
  6. Step 6: Final answer
    x = 68,426.14

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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.