Home / 75,166.93-112,755.66-30,188.29

Finding the Fourth Proportional to 75,166.93, 112,755.66 and 30,188.29

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Solution

The fourth proportional to 75,166.93, 112,755.66 and 30,188.29 is: 45,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166.93 : 112,755.66 = 30,188.29 : x
  2. Step 2: Convert to fraction form
    75,166.93/112,755.66 = 30,188.29/x
  3. Step 3: Cross multiply
    75,166.93x = 112,755.66 × 30,188.29
  4. Step 4: Simplify right side
    75,166.93x = 3,403,900,563.22
  5. Step 5: Solve for x
    x = 3,403,900,563.22/75,166.93
  6. Step 6: Final answer
    x = 45,284.55

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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.