Home / 90,528.86-124,843.04-54,224.51

Finding the Fourth Proportional to 90,528.86, 124,843.04 and 54,224.51

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Solution

The fourth proportional to 90,528.86, 124,843.04 and 54,224.51 is: 74,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.86 : 124,843.04 = 54,224.51 : x
  2. Step 2: Convert to fraction form
    90,528.86/124,843.04 = 54,224.51/x
  3. Step 3: Cross multiply
    90,528.86x = 124,843.04 × 54,224.51
  4. Step 4: Simplify right side
    90,528.86x = 6,769,552,046.70
  5. Step 5: Solve for x
    x = 6,769,552,046.70/90,528.86
  6. Step 6: Final answer
    x = 74,777.83

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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.