Home / 77,785.25-116,677.88-22,381.25

Finding the Fourth Proportional to 77,785.25, 116,677.88 and 22,381.25

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Solution

The fourth proportional to 77,785.25, 116,677.88 and 22,381.25 is: 33,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,785.25 : 116,677.88 = 22,381.25 : x
  2. Step 2: Convert to fraction form
    77,785.25/116,677.88 = 22,381.25/x
  3. Step 3: Cross multiply
    77,785.25x = 116,677.88 × 22,381.25
  4. Step 4: Simplify right side
    77,785.25x = 2,611,396,801.75
  5. Step 5: Solve for x
    x = 2,611,396,801.75/77,785.25
  6. Step 6: Final answer
    x = 33,571.88

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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.