Home / 99,826.92-137,757.54-55,113.96

Finding the Fourth Proportional to 99,826.92, 137,757.54 and 55,113.96

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Solution

The fourth proportional to 99,826.92, 137,757.54 and 55,113.96 is: 76,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,826.92 : 137,757.54 = 55,113.96 : x
  2. Step 2: Convert to fraction form
    99,826.92/137,757.54 = 55,113.96/x
  3. Step 3: Cross multiply
    99,826.92x = 137,757.54 × 55,113.96
  4. Step 4: Simplify right side
    99,826.92x = 7,592,363,549.26
  5. Step 5: Solve for x
    x = 7,592,363,549.26/99,826.92
  6. Step 6: Final answer
    x = 76,055.27

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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.