Home / 90,213.36-124,493.52-49,927.20

Finding the Fourth Proportional to 90,213.36, 124,493.52 and 49,927.20

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Solution

The fourth proportional to 90,213.36, 124,493.52 and 49,927.20 is: 68,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,213.36 : 124,493.52 = 49,927.20 : x
  2. Step 2: Convert to fraction form
    90,213.36/124,493.52 = 49,927.20/x
  3. Step 3: Cross multiply
    90,213.36x = 124,493.52 × 49,927.20
  4. Step 4: Simplify right side
    90,213.36x = 6,215,612,871.74
  5. Step 5: Solve for x
    x = 6,215,612,871.74/90,213.36
  6. Step 6: Final answer
    x = 68,899.03

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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.