Home / 57,747.76-86,624.72-18,307.96

Finding the Fourth Proportional to 57,747.76, 86,624.72 and 18,307.96

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Solution

The fourth proportional to 57,747.76, 86,624.72 and 18,307.96 is: 27,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.76 : 86,624.72 = 18,307.96 : x
  2. Step 2: Convert to fraction form
    57,747.76/86,624.72 = 18,307.96/x
  3. Step 3: Cross multiply
    57,747.76x = 86,624.72 × 18,307.96
  4. Step 4: Simplify right side
    57,747.76x = 1,585,921,908.77
  5. Step 5: Solve for x
    x = 1,585,921,908.77/57,747.76
  6. Step 6: Final answer
    x = 27,462.92

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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.