Home / 51,671.39-77,515.20-22,089.38

Finding the Fourth Proportional to 51,671.39, 77,515.20 and 22,089.38

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Solution

The fourth proportional to 51,671.39, 77,515.20 and 22,089.38 is: 33,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,671.39 : 77,515.20 = 22,089.38 : x
  2. Step 2: Convert to fraction form
    51,671.39/77,515.20 = 22,089.38/x
  3. Step 3: Cross multiply
    51,671.39x = 77,515.20 × 22,089.38
  4. Step 4: Simplify right side
    51,671.39x = 1,712,262,321
  5. Step 5: Solve for x
    x = 1,712,262,321/51,671.39
  6. Step 6: Final answer
    x = 33,137.53

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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.