Home / 90,403.16-124,747.94-50,113.49

Finding the Fourth Proportional to 90,403.16, 124,747.94 and 50,113.49

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Solution

The fourth proportional to 90,403.16, 124,747.94 and 50,113.49 is: 69,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,403.16 : 124,747.94 = 50,113.49 : x
  2. Step 2: Convert to fraction form
    90,403.16/124,747.94 = 50,113.49/x
  3. Step 3: Cross multiply
    90,403.16x = 124,747.94 × 50,113.49
  4. Step 4: Simplify right side
    90,403.16x = 6,251,553,769.40
  5. Step 5: Solve for x
    x = 6,251,553,769.40/90,403.16
  6. Step 6: Final answer
    x = 69,151.94

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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.