Home / 102,616.75-141,611.12-57,904.75

Finding the Fourth Proportional to 102,616.75, 141,611.12 and 57,904.75

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Solution

The fourth proportional to 102,616.75, 141,611.12 and 57,904.75 is: 79,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,616.75 : 141,611.12 = 57,904.75 : x
  2. Step 2: Convert to fraction form
    102,616.75/141,611.12 = 57,904.75/x
  3. Step 3: Cross multiply
    102,616.75x = 141,611.12 × 57,904.75
  4. Step 4: Simplify right side
    102,616.75x = 8,199,956,500.82
  5. Step 5: Solve for x
    x = 8,199,956,500.82/102,616.75
  6. Step 6: Final answer
    x = 79,908.56

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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.