Home / 90,212.25-124,494.72-49,924.98

Finding the Fourth Proportional to 90,212.25, 124,494.72 and 49,924.98

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Solution

The fourth proportional to 90,212.25, 124,494.72 and 49,924.98 is: 68,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,212.25 : 124,494.72 = 49,924.98 : x
  2. Step 2: Convert to fraction form
    90,212.25/124,494.72 = 49,924.98/x
  3. Step 3: Cross multiply
    90,212.25x = 124,494.72 × 49,924.98
  4. Step 4: Simplify right side
    90,212.25x = 6,215,396,406.11
  5. Step 5: Solve for x
    x = 6,215,396,406.11/90,212.25
  6. Step 6: Final answer
    x = 68,897.48

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Double scale
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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.