Home / 47,778.76-71,668.30-14,499.10

Finding the Fourth Proportional to 47,778.76, 71,668.30 and 14,499.10

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Solution

The fourth proportional to 47,778.76, 71,668.30 and 14,499.10 is: 21,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.76 : 71,668.30 = 14,499.10 : x
  2. Step 2: Convert to fraction form
    47,778.76/71,668.30 = 14,499.10/x
  3. Step 3: Cross multiply
    47,778.76x = 71,668.30 × 14,499.10
  4. Step 4: Simplify right side
    47,778.76x = 1,039,125,848.53
  5. Step 5: Solve for x
    x = 1,039,125,848.53/47,778.76
  6. Step 6: Final answer
    x = 21,748.70

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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.