Home / 90,274.08-124,579.52-52,012.52

Finding the Fourth Proportional to 90,274.08, 124,579.52 and 52,012.52

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Solution

The fourth proportional to 90,274.08, 124,579.52 and 52,012.52 is: 71,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.08 : 124,579.52 = 52,012.52 : x
  2. Step 2: Convert to fraction form
    90,274.08/124,579.52 = 52,012.52/x
  3. Step 3: Cross multiply
    90,274.08x = 124,579.52 × 52,012.52
  4. Step 4: Simplify right side
    90,274.08x = 6,479,694,775.59
  5. Step 5: Solve for x
    x = 6,479,694,775.59/90,274.08
  6. Step 6: Final answer
    x = 71,778.02

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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.