Home / 90,202.83-124,481.03-49,916.49

Finding the Fourth Proportional to 90,202.83, 124,481.03 and 49,916.49

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Solution

The fourth proportional to 90,202.83, 124,481.03 and 49,916.49 is: 68,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.83 : 124,481.03 = 49,916.49 : x
  2. Step 2: Convert to fraction form
    90,202.83/124,481.03 = 49,916.49/x
  3. Step 3: Cross multiply
    90,202.83x = 124,481.03 × 49,916.49
  4. Step 4: Simplify right side
    90,202.83x = 6,213,655,839.60
  5. Step 5: Solve for x
    x = 6,213,655,839.60/90,202.83
  6. Step 6: Final answer
    x = 68,885.38

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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.