Home / 77,665.32-116,522.42-27,744.30

Finding the Fourth Proportional to 77,665.32, 116,522.42 and 27,744.30

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Solution

The fourth proportional to 77,665.32, 116,522.42 and 27,744.30 is: 41,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,665.32 : 116,522.42 = 27,744.30 : x
  2. Step 2: Convert to fraction form
    77,665.32/116,522.42 = 27,744.30/x
  3. Step 3: Cross multiply
    77,665.32x = 116,522.42 × 27,744.30
  4. Step 4: Simplify right side
    77,665.32x = 3,232,832,977.21
  5. Step 5: Solve for x
    x = 3,232,832,977.21/77,665.32
  6. Step 6: Final answer
    x = 41,625.18

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1.5x scale

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.