Home / 75,071.97-112,608.70-30,668.38

Finding the Fourth Proportional to 75,071.97, 112,608.70 and 30,668.38

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Solution

The fourth proportional to 75,071.97, 112,608.70 and 30,668.38 is: 46,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.97 : 112,608.70 = 30,668.38 : x
  2. Step 2: Convert to fraction form
    75,071.97/112,608.70 = 30,668.38/x
  3. Step 3: Cross multiply
    75,071.97x = 112,608.70 × 30,668.38
  4. Step 4: Simplify right side
    75,071.97x = 3,453,526,044.71
  5. Step 5: Solve for x
    x = 3,453,526,044.71/75,071.97
  6. Step 6: Final answer
    x = 46,002.87

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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.