Home / 91,819.69-126,717.23-51,536.18

Finding the Fourth Proportional to 91,819.69, 126,717.23 and 51,536.18

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Solution

The fourth proportional to 91,819.69, 126,717.23 and 51,536.18 is: 71,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,819.69 : 126,717.23 = 51,536.18 : x
  2. Step 2: Convert to fraction form
    91,819.69/126,717.23 = 51,536.18/x
  3. Step 3: Cross multiply
    91,819.69x = 126,717.23 × 51,536.18
  4. Step 4: Simplify right side
    91,819.69x = 6,530,522,130.12
  5. Step 5: Solve for x
    x = 6,530,522,130.12/91,819.69
  6. Step 6: Final answer
    x = 71,123.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.