Home / 75,112.12-112,778.88-41,897.08

Finding the Fourth Proportional to 75,112.12, 112,778.88 and 41,897.08

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Solution

The fourth proportional to 75,112.12, 112,778.88 and 41,897.08 is: 62,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.12 : 112,778.88 = 41,897.08 : x
  2. Step 2: Convert to fraction form
    75,112.12/112,778.88 = 41,897.08/x
  3. Step 3: Cross multiply
    75,112.12x = 112,778.88 × 41,897.08
  4. Step 4: Simplify right side
    75,112.12x = 4,725,105,757.67
  5. Step 5: Solve for x
    x = 4,725,105,757.67/75,112.12
  6. Step 6: Final answer
    x = 62,907.37

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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.