Home / 70,781.16-106,055.04-41,115.72

Finding the Fourth Proportional to 70,781.16, 106,055.04 and 41,115.72

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Solution

The fourth proportional to 70,781.16, 106,055.04 and 41,115.72 is: 61,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781.16 : 106,055.04 = 41,115.72 : x
  2. Step 2: Convert to fraction form
    70,781.16/106,055.04 = 41,115.72/x
  3. Step 3: Cross multiply
    70,781.16x = 106,055.04 × 41,115.72
  4. Step 4: Simplify right side
    70,781.16x = 4,360,529,329.23
  5. Step 5: Solve for x
    x = 4,360,529,329.23/70,781.16
  6. Step 6: Final answer
    x = 61,605.79

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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.