Home / 90,913.33-125,457.55-50,626.23

Finding the Fourth Proportional to 90,913.33, 125,457.55 and 50,626.23

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Solution

The fourth proportional to 90,913.33, 125,457.55 and 50,626.23 is: 69,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,913.33 : 125,457.55 = 50,626.23 : x
  2. Step 2: Convert to fraction form
    90,913.33/125,457.55 = 50,626.23/x
  3. Step 3: Cross multiply
    90,913.33x = 125,457.55 × 50,626.23
  4. Step 4: Simplify right side
    90,913.33x = 6,351,442,781.54
  5. Step 5: Solve for x
    x = 6,351,442,781.54/90,913.33
  6. Step 6: Final answer
    x = 69,862.61

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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.