Home / 109,278.32-150,788.04-61,522.16

Finding the Fourth Proportional to 109,278.32, 150,788.04 and 61,522.16

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Solution

The fourth proportional to 109,278.32, 150,788.04 and 61,522.16 is: 84,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,278.32 : 150,788.04 = 61,522.16 : x
  2. Step 2: Convert to fraction form
    109,278.32/150,788.04 = 61,522.16/x
  3. Step 3: Cross multiply
    109,278.32x = 150,788.04 × 61,522.16
  4. Step 4: Simplify right side
    109,278.32x = 9,276,805,922.97
  5. Step 5: Solve for x
    x = 9,276,805,922.97/109,278.32
  6. Step 6: Final answer
    x = 84,891.55

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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.