Home / 51,787.08-77,685.06-22,197.90

Finding the Fourth Proportional to 51,787.08, 77,685.06 and 22,197.90

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Solution

The fourth proportional to 51,787.08, 77,685.06 and 22,197.90 is: 33,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.08 : 77,685.06 = 22,197.90 : x
  2. Step 2: Convert to fraction form
    51,787.08/77,685.06 = 22,197.90/x
  3. Step 3: Cross multiply
    51,787.08x = 77,685.06 × 22,197.90
  4. Step 4: Simplify right side
    51,787.08x = 1,724,445,193.37
  5. Step 5: Solve for x
    x = 1,724,445,193.37/51,787.08
  6. Step 6: Final answer
    x = 33,298.75

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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.