Home / 115,772.88-173,672-36,868.56

Finding the Fourth Proportional to 115,772.88, 173,672 and 36,868.56

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Solution

The fourth proportional to 115,772.88, 173,672 and 36,868.56 is: 55,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,772.88 : 173,672 = 36,868.56 : x
  2. Step 2: Convert to fraction form
    115,772.88/173,672 = 36,868.56/x
  3. Step 3: Cross multiply
    115,772.88x = 173,672 × 36,868.56
  4. Step 4: Simplify right side
    115,772.88x = 6,403,036,552.32
  5. Step 5: Solve for x
    x = 6,403,036,552.32/115,772.88
  6. Step 6: Final answer
    x = 55,306.88

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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.