Home / 86,400.14-119,217.76-48,151.34

Finding the Fourth Proportional to 86,400.14, 119,217.76 and 48,151.34

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Solution

The fourth proportional to 86,400.14, 119,217.76 and 48,151.34 is: 66,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,400.14 : 119,217.76 = 48,151.34 : x
  2. Step 2: Convert to fraction form
    86,400.14/119,217.76 = 48,151.34/x
  3. Step 3: Cross multiply
    86,400.14x = 119,217.76 × 48,151.34
  4. Step 4: Simplify right side
    86,400.14x = 5,740,494,179.33
  5. Step 5: Solve for x
    x = 5,740,494,179.33/86,400.14
  6. Step 6: Final answer
    x = 66,440.80

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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.