Home / 87,895.26-121,307.22-49,662.72

Finding the Fourth Proportional to 87,895.26, 121,307.22 and 49,662.72

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Solution

The fourth proportional to 87,895.26, 121,307.22 and 49,662.72 is: 68,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.26 : 121,307.22 = 49,662.72 : x
  2. Step 2: Convert to fraction form
    87,895.26/121,307.22 = 49,662.72/x
  3. Step 3: Cross multiply
    87,895.26x = 121,307.22 × 49,662.72
  4. Step 4: Simplify right side
    87,895.26x = 6,024,446,500.84
  5. Step 5: Solve for x
    x = 6,024,446,500.84/87,895.26
  6. Step 6: Final answer
    x = 68,541.20

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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.