Home / 99,741.68-137,693.40-62,028.08

Finding the Fourth Proportional to 99,741.68, 137,693.40 and 62,028.08

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Solution

The fourth proportional to 99,741.68, 137,693.40 and 62,028.08 is: 85,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741.68 : 137,693.40 = 62,028.08 : x
  2. Step 2: Convert to fraction form
    99,741.68/137,693.40 = 62,028.08/x
  3. Step 3: Cross multiply
    99,741.68x = 137,693.40 × 62,028.08
  4. Step 4: Simplify right side
    99,741.68x = 8,540,857,230.67
  5. Step 5: Solve for x
    x = 8,540,857,230.67/99,741.68
  6. Step 6: Final answer
    x = 85,629.77

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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.