Home / 79,292.66-118,998.12-31,908.17

Finding the Fourth Proportional to 79,292.66, 118,998.12 and 31,908.17

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Solution

The fourth proportional to 79,292.66, 118,998.12 and 31,908.17 is: 47,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,292.66 : 118,998.12 = 31,908.17 : x
  2. Step 2: Convert to fraction form
    79,292.66/118,998.12 = 31,908.17/x
  3. Step 3: Cross multiply
    79,292.66x = 118,998.12 × 31,908.17
  4. Step 4: Simplify right side
    79,292.66x = 3,797,012,659.79
  5. Step 5: Solve for x
    x = 3,797,012,659.79/79,292.66
  6. Step 6: Final answer
    x = 47,886.06

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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.