Home / 52,123.44-78,184.52-12,680.59

Finding the Fourth Proportional to 52,123.44, 78,184.52 and 12,680.59

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Solution

The fourth proportional to 52,123.44, 78,184.52 and 12,680.59 is: 19,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123.44 : 78,184.52 = 12,680.59 : x
  2. Step 2: Convert to fraction form
    52,123.44/78,184.52 = 12,680.59/x
  3. Step 3: Cross multiply
    52,123.44x = 78,184.52 × 12,680.59
  4. Step 4: Simplify right side
    52,123.44x = 991,425,842.47
  5. Step 5: Solve for x
    x = 991,425,842.47/52,123.44
  6. Step 6: Final answer
    x = 19,020.73

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1.5x scale

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.