Home / 90,919.92-125,460.51-50,637.43

Finding the Fourth Proportional to 90,919.92, 125,460.51 and 50,637.43

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Solution

The fourth proportional to 90,919.92, 125,460.51 and 50,637.43 is: 69,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,919.92 : 125,460.51 = 50,637.43 : x
  2. Step 2: Convert to fraction form
    90,919.92/125,460.51 = 50,637.43/x
  3. Step 3: Cross multiply
    90,919.92x = 125,460.51 × 50,637.43
  4. Step 4: Simplify right side
    90,919.92x = 6,352,997,792.89
  5. Step 5: Solve for x
    x = 6,352,997,792.89/90,919.92
  6. Step 6: Final answer
    x = 69,874.65

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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.