Home / 75,117.12-112,786.38-41,902.08

Finding the Fourth Proportional to 75,117.12, 112,786.38 and 41,902.08

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Solution

The fourth proportional to 75,117.12, 112,786.38 and 41,902.08 is: 62,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.12 : 112,786.38 = 41,902.08 : x
  2. Step 2: Convert to fraction form
    75,117.12/112,786.38 = 41,902.08/x
  3. Step 3: Cross multiply
    75,117.12x = 112,786.38 × 41,902.08
  4. Step 4: Simplify right side
    75,117.12x = 4,725,983,917.67
  5. Step 5: Solve for x
    x = 4,725,983,917.67/75,117.12
  6. Step 6: Final answer
    x = 62,914.87

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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.