Home / 83,895.12-115,777.44-45,656.82

Finding the Fourth Proportional to 83,895.12, 115,777.44 and 45,656.82

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Solution

The fourth proportional to 83,895.12, 115,777.44 and 45,656.82 is: 63,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895.12 : 115,777.44 = 45,656.82 : x
  2. Step 2: Convert to fraction form
    83,895.12/115,777.44 = 45,656.82/x
  3. Step 3: Cross multiply
    83,895.12x = 115,777.44 × 45,656.82
  4. Step 4: Simplify right side
    83,895.12x = 5,286,029,738.14
  5. Step 5: Solve for x
    x = 5,286,029,738.14/83,895.12
  6. Step 6: Final answer
    x = 63,007.59

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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.