Home / 90,010.89-124,210.44-49,716.86

Finding the Fourth Proportional to 90,010.89, 124,210.44 and 49,716.86

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Solution

The fourth proportional to 90,010.89, 124,210.44 and 49,716.86 is: 68,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010.89 : 124,210.44 = 49,716.86 : x
  2. Step 2: Convert to fraction form
    90,010.89/124,210.44 = 49,716.86/x
  3. Step 3: Cross multiply
    90,010.89x = 124,210.44 × 49,716.86
  4. Step 4: Simplify right side
    90,010.89x = 6,175,352,434.97
  5. Step 5: Solve for x
    x = 6,175,352,434.97/90,010.89
  6. Step 6: Final answer
    x = 68,606.73

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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.