Home / 52,087.67-78,131.52-14,651.72

Finding the Fourth Proportional to 52,087.67, 78,131.52 and 14,651.72

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Solution

The fourth proportional to 52,087.67, 78,131.52 and 14,651.72 is: 21,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,087.67 : 78,131.52 = 14,651.72 : x
  2. Step 2: Convert to fraction form
    52,087.67/78,131.52 = 14,651.72/x
  3. Step 3: Cross multiply
    52,087.67x = 78,131.52 × 14,651.72
  4. Step 4: Simplify right side
    52,087.67x = 1,144,761,154.21
  5. Step 5: Solve for x
    x = 1,144,761,154.21/52,087.67
  6. Step 6: Final answer
    x = 21,977.58

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Similar ratio
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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.