Home / 74,834.60-103,217.70-50,919.08

Finding the Fourth Proportional to 74,834.60, 103,217.70 and 50,919.08

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Solution

The fourth proportional to 74,834.60, 103,217.70 and 50,919.08 is: 70,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.60 : 103,217.70 = 50,919.08 : x
  2. Step 2: Convert to fraction form
    74,834.60/103,217.70 = 50,919.08/x
  3. Step 3: Cross multiply
    74,834.60x = 103,217.70 × 50,919.08
  4. Step 4: Simplify right side
    74,834.60x = 5,255,750,323.72
  5. Step 5: Solve for x
    x = 5,255,750,323.72/74,834.60
  6. Step 6: Final answer
    x = 70,231.55

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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.