Home / 87,554.78-120,826.08-49,829.02

Finding the Fourth Proportional to 87,554.78, 120,826.08 and 49,829.02

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Solution

The fourth proportional to 87,554.78, 120,826.08 and 49,829.02 is: 68,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,554.78 : 120,826.08 = 49,829.02 : x
  2. Step 2: Convert to fraction form
    87,554.78/120,826.08 = 49,829.02/x
  3. Step 3: Cross multiply
    87,554.78x = 120,826.08 × 49,829.02
  4. Step 4: Simplify right side
    87,554.78x = 6,020,645,156.84
  5. Step 5: Solve for x
    x = 6,020,645,156.84/87,554.78
  6. Step 6: Final answer
    x = 68,764.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.