Home / 215,377.06-323,065.51-57,601.42

Finding the Fourth Proportional to 215,377.06, 323,065.51 and 57,601.42

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Solution

The fourth proportional to 215,377.06, 323,065.51 and 57,601.42 is: 86,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.06 : 323,065.51 = 57,601.42 : x
  2. Step 2: Convert to fraction form
    215,377.06/323,065.51 = 57,601.42/x
  3. Step 3: Cross multiply
    215,377.06x = 323,065.51 × 57,601.42
  4. Step 4: Simplify right side
    215,377.06x = 18,609,032,129.02
  5. Step 5: Solve for x
    x = 18,609,032,129.02/215,377.06
  6. Step 6: Final answer
    x = 86,402.11

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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.