Home / 88,083.36-121,555.11-49,842.09

Finding the Fourth Proportional to 88,083.36, 121,555.11 and 49,842.09

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Solution

The fourth proportional to 88,083.36, 121,555.11 and 49,842.09 is: 68,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.36 : 121,555.11 = 49,842.09 : x
  2. Step 2: Convert to fraction form
    88,083.36/121,555.11 = 49,842.09/x
  3. Step 3: Cross multiply
    88,083.36x = 121,555.11 × 49,842.09
  4. Step 4: Simplify right side
    88,083.36x = 6,058,560,732.58
  5. Step 5: Solve for x
    x = 6,058,560,732.58/88,083.36
  6. Step 6: Final answer
    x = 68,782.13

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1.5x scale

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.