Home / 90,175.22-124,433.97-49,888.34

Finding the Fourth Proportional to 90,175.22, 124,433.97 and 49,888.34

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Solution

The fourth proportional to 90,175.22, 124,433.97 and 49,888.34 is: 68,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.22 : 124,433.97 = 49,888.34 : x
  2. Step 2: Convert to fraction form
    90,175.22/124,433.97 = 49,888.34/x
  3. Step 3: Cross multiply
    90,175.22x = 124,433.97 × 49,888.34
  4. Step 4: Simplify right side
    90,175.22x = 6,207,804,202.91
  5. Step 5: Solve for x
    x = 6,207,804,202.91/90,175.22
  6. Step 6: Final answer
    x = 68,841.58

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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.