Home / 137,055.25-205,613.12-58,236.85

Finding the Fourth Proportional to 137,055.25, 205,613.12 and 58,236.85

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Solution

The fourth proportional to 137,055.25, 205,613.12 and 58,236.85 is: 87,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,055.25 : 205,613.12 = 58,236.85 : x
  2. Step 2: Convert to fraction form
    137,055.25/205,613.12 = 58,236.85/x
  3. Step 3: Cross multiply
    137,055.25x = 205,613.12 × 58,236.85
  4. Step 4: Simplify right side
    137,055.25x = 11,974,260,136.29
  5. Step 5: Solve for x
    x = 11,974,260,136.29/137,055.25
  6. Step 6: Final answer
    x = 87,368.12

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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.