Home / 90,460.43-124,815.42-52,211.84

Finding the Fourth Proportional to 90,460.43, 124,815.42 and 52,211.84

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Solution

The fourth proportional to 90,460.43, 124,815.42 and 52,211.84 is: 72,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,460.43 : 124,815.42 = 52,211.84 : x
  2. Step 2: Convert to fraction form
    90,460.43/124,815.42 = 52,211.84/x
  3. Step 3: Cross multiply
    90,460.43x = 124,815.42 × 52,211.84
  4. Step 4: Simplify right side
    90,460.43x = 6,516,842,738.57
  5. Step 5: Solve for x
    x = 6,516,842,738.57/90,460.43
  6. Step 6: Final answer
    x = 72,040.81

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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.