Home / 90,274.82-124,579.23-49,988.57

Finding the Fourth Proportional to 90,274.82, 124,579.23 and 49,988.57

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Solution

The fourth proportional to 90,274.82, 124,579.23 and 49,988.57 is: 68,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.82 : 124,579.23 = 49,988.57 : x
  2. Step 2: Convert to fraction form
    90,274.82/124,579.23 = 49,988.57/x
  3. Step 3: Cross multiply
    90,274.82x = 124,579.23 × 49,988.57
  4. Step 4: Simplify right side
    90,274.82x = 6,227,536,936.50
  5. Step 5: Solve for x
    x = 6,227,536,936.50/90,274.82
  6. Step 6: Final answer
    x = 68,984.21

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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.