Home / 90,027.57-124,239.35-49,742.26

Finding the Fourth Proportional to 90,027.57, 124,239.35 and 49,742.26

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Solution

The fourth proportional to 90,027.57, 124,239.35 and 49,742.26 is: 68,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.57 : 124,239.35 = 49,742.26 : x
  2. Step 2: Convert to fraction form
    90,027.57/124,239.35 = 49,742.26/x
  3. Step 3: Cross multiply
    90,027.57x = 124,239.35 × 49,742.26
  4. Step 4: Simplify right side
    90,027.57x = 6,179,946,049.93
  5. Step 5: Solve for x
    x = 6,179,946,049.93/90,027.57
  6. Step 6: Final answer
    x = 68,645.04

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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.