Home / 99,744.12-137,628.08-59,461.64

Finding the Fourth Proportional to 99,744.12, 137,628.08 and 59,461.64

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Solution

The fourth proportional to 99,744.12, 137,628.08 and 59,461.64 is: 82,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,744.12 : 137,628.08 = 59,461.64 : x
  2. Step 2: Convert to fraction form
    99,744.12/137,628.08 = 59,461.64/x
  3. Step 3: Cross multiply
    99,744.12x = 137,628.08 × 59,461.64
  4. Step 4: Simplify right side
    99,744.12x = 8,183,591,346.85
  5. Step 5: Solve for x
    x = 8,183,591,346.85/99,744.12
  6. Step 6: Final answer
    x = 82,045.85

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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.