Home / 80,759.36-111,416.96-59,589.12

Finding the Fourth Proportional to 80,759.36, 111,416.96 and 59,589.12

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Solution

The fourth proportional to 80,759.36, 111,416.96 and 59,589.12 is: 82,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759.36 : 111,416.96 = 59,589.12 : x
  2. Step 2: Convert to fraction form
    80,759.36/111,416.96 = 59,589.12/x
  3. Step 3: Cross multiply
    80,759.36x = 111,416.96 × 59,589.12
  4. Step 4: Simplify right side
    80,759.36x = 6,639,238,599.48
  5. Step 5: Solve for x
    x = 6,639,238,599.48/80,759.36
  6. Step 6: Final answer
    x = 82,210.14

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1.5x scale

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.