Home / 55,224.83-82,840.12-15,787.91

Finding the Fourth Proportional to 55,224.83, 82,840.12 and 15,787.91

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Solution

The fourth proportional to 55,224.83, 82,840.12 and 15,787.91 is: 23,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,224.83 : 82,840.12 = 15,787.91 : x
  2. Step 2: Convert to fraction form
    55,224.83/82,840.12 = 15,787.91/x
  3. Step 3: Cross multiply
    55,224.83x = 82,840.12 × 15,787.91
  4. Step 4: Simplify right side
    55,224.83x = 1,307,872,358.95
  5. Step 5: Solve for x
    x = 1,307,872,358.95/55,224.83
  6. Step 6: Final answer
    x = 23,682.69

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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.