Home / 90,250.25-124,547.36-49,418.26

Finding the Fourth Proportional to 90,250.25, 124,547.36 and 49,418.26

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Solution

The fourth proportional to 90,250.25, 124,547.36 and 49,418.26 is: 68,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.25 : 124,547.36 = 49,418.26 : x
  2. Step 2: Convert to fraction form
    90,250.25/124,547.36 = 49,418.26/x
  3. Step 3: Cross multiply
    90,250.25x = 124,547.36 × 49,418.26
  4. Step 4: Simplify right side
    90,250.25x = 6,154,913,260.33
  5. Step 5: Solve for x
    x = 6,154,913,260.33/90,250.25
  6. Step 6: Final answer
    x = 68,198.30

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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.