Home / 75,781.45-113,668.08-23,190.94

Finding the Fourth Proportional to 75,781.45, 113,668.08 and 23,190.94

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Solution

The fourth proportional to 75,781.45, 113,668.08 and 23,190.94 is: 34,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,781.45 : 113,668.08 = 23,190.94 : x
  2. Step 2: Convert to fraction form
    75,781.45/113,668.08 = 23,190.94/x
  3. Step 3: Cross multiply
    75,781.45x = 113,668.08 × 23,190.94
  4. Step 4: Simplify right side
    75,781.45x = 2,636,069,623.20
  5. Step 5: Solve for x
    x = 2,636,069,623.20/75,781.45
  6. Step 6: Final answer
    x = 34,785.16

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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.