Home / 90,114.40-124,346.94-49,822.66

Finding the Fourth Proportional to 90,114.40, 124,346.94 and 49,822.66

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Solution

The fourth proportional to 90,114.40, 124,346.94 and 49,822.66 is: 68,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,114.40 : 124,346.94 = 49,822.66 : x
  2. Step 2: Convert to fraction form
    90,114.40/124,346.94 = 49,822.66/x
  3. Step 3: Cross multiply
    90,114.40x = 124,346.94 × 49,822.66
  4. Step 4: Simplify right side
    90,114.40x = 6,195,294,691.93
  5. Step 5: Solve for x
    x = 6,195,294,691.93/90,114.40
  6. Step 6: Final answer
    x = 68,749.22

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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.