Home / 90,165.62-124,427.49-49,876.22

Finding the Fourth Proportional to 90,165.62, 124,427.49 and 49,876.22

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Solution

The fourth proportional to 90,165.62, 124,427.49 and 49,876.22 is: 68,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165.62 : 124,427.49 = 49,876.22 : x
  2. Step 2: Convert to fraction form
    90,165.62/124,427.49 = 49,876.22/x
  3. Step 3: Cross multiply
    90,165.62x = 124,427.49 × 49,876.22
  4. Step 4: Simplify right side
    90,165.62x = 6,205,972,865.29
  5. Step 5: Solve for x
    x = 6,205,972,865.29/90,165.62
  6. Step 6: Final answer
    x = 68,828.59

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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.