Home / 90,320.60-124,630.61-52,081.58

Finding the Fourth Proportional to 90,320.60, 124,630.61 and 52,081.58

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Solution

The fourth proportional to 90,320.60, 124,630.61 and 52,081.58 is: 71,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.60 : 124,630.61 = 52,081.58 : x
  2. Step 2: Convert to fraction form
    90,320.60/124,630.61 = 52,081.58/x
  3. Step 3: Cross multiply
    90,320.60x = 124,630.61 × 52,081.58
  4. Step 4: Simplify right side
    90,320.60x = 6,490,958,201.60
  5. Step 5: Solve for x
    x = 6,490,958,201.60/90,320.60
  6. Step 6: Final answer
    x = 71,865.76

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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.