Home / 70,277.56-105,418.04-27,581.16

Finding the Fourth Proportional to 70,277.56, 105,418.04 and 27,581.16

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Solution

The fourth proportional to 70,277.56, 105,418.04 and 27,581.16 is: 41,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.56 : 105,418.04 = 27,581.16 : x
  2. Step 2: Convert to fraction form
    70,277.56/105,418.04 = 27,581.16/x
  3. Step 3: Cross multiply
    70,277.56x = 105,418.04 × 27,581.16
  4. Step 4: Simplify right side
    70,277.56x = 2,907,551,828.13
  5. Step 5: Solve for x
    x = 2,907,551,828.13/70,277.56
  6. Step 6: Final answer
    x = 41,372.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.