Home / 90,222.97-124,507.95-49,939.51

Finding the Fourth Proportional to 90,222.97, 124,507.95 and 49,939.51

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Solution

The fourth proportional to 90,222.97, 124,507.95 and 49,939.51 is: 68,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.97 : 124,507.95 = 49,939.51 : x
  2. Step 2: Convert to fraction form
    90,222.97/124,507.95 = 49,939.51/x
  3. Step 3: Cross multiply
    90,222.97x = 124,507.95 × 49,939.51
  4. Step 4: Simplify right side
    90,222.97x = 6,217,865,764.41
  5. Step 5: Solve for x
    x = 6,217,865,764.41/90,222.97
  6. Step 6: Final answer
    x = 68,916.66

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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.