Home / 89,919.54-124,088.30-49,633.29

Finding the Fourth Proportional to 89,919.54, 124,088.30 and 49,633.29

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Solution

The fourth proportional to 89,919.54, 124,088.30 and 49,633.29 is: 68,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.54 : 124,088.30 = 49,633.29 : x
  2. Step 2: Convert to fraction form
    89,919.54/124,088.30 = 49,633.29/x
  3. Step 3: Cross multiply
    89,919.54x = 124,088.30 × 49,633.29
  4. Step 4: Simplify right side
    89,919.54x = 6,158,910,331.34
  5. Step 5: Solve for x
    x = 6,158,910,331.34/89,919.54
  6. Step 6: Final answer
    x = 68,493.57

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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.