Home / 90,263.44-124,565.50-49,429.29

Finding the Fourth Proportional to 90,263.44, 124,565.50 and 49,429.29

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Solution

The fourth proportional to 90,263.44, 124,565.50 and 49,429.29 is: 68,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.44 : 124,565.50 = 49,429.29 : x
  2. Step 2: Convert to fraction form
    90,263.44/124,565.50 = 49,429.29/x
  3. Step 3: Cross multiply
    90,263.44x = 124,565.50 × 49,429.29
  4. Step 4: Simplify right side
    90,263.44x = 6,157,183,773.68
  5. Step 5: Solve for x
    x = 6,157,183,773.68/90,263.44
  6. Step 6: Final answer
    x = 68,213.49

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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.