Home / 77,612.22-116,412.84-27,686.66

Finding the Fourth Proportional to 77,612.22, 116,412.84 and 27,686.66

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Solution

The fourth proportional to 77,612.22, 116,412.84 and 27,686.66 is: 41,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,612.22 : 116,412.84 = 27,686.66 : x
  2. Step 2: Convert to fraction form
    77,612.22/116,412.84 = 27,686.66/x
  3. Step 3: Cross multiply
    77,612.22x = 116,412.84 × 27,686.66
  4. Step 4: Simplify right side
    77,612.22x = 3,223,082,138.65
  5. Step 5: Solve for x
    x = 3,223,082,138.65/77,612.22
  6. Step 6: Final answer
    x = 41,528.02

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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.