Home / 63,885.47-95,842.78-19,518.53

Finding the Fourth Proportional to 63,885.47, 95,842.78 and 19,518.53

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Solution

The fourth proportional to 63,885.47, 95,842.78 and 19,518.53 is: 29,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,885.47 : 95,842.78 = 19,518.53 : x
  2. Step 2: Convert to fraction form
    63,885.47/95,842.78 = 19,518.53/x
  3. Step 3: Cross multiply
    63,885.47x = 95,842.78 × 19,518.53
  4. Step 4: Simplify right side
    63,885.47x = 1,870,709,648.70
  5. Step 5: Solve for x
    x = 1,870,709,648.70/63,885.47
  6. Step 6: Final answer
    x = 29,282.24

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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.