Home / 62,811.18-86,680.80-34,517.34

Finding the Fourth Proportional to 62,811.18, 86,680.80 and 34,517.34

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Solution

The fourth proportional to 62,811.18, 86,680.80 and 34,517.34 is: 47,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.18 : 86,680.80 = 34,517.34 : x
  2. Step 2: Convert to fraction form
    62,811.18/86,680.80 = 34,517.34/x
  3. Step 3: Cross multiply
    62,811.18x = 86,680.80 × 34,517.34
  4. Step 4: Simplify right side
    62,811.18x = 2,991,990,645.07
  5. Step 5: Solve for x
    x = 2,991,990,645.07/62,811.18
  6. Step 6: Final answer
    x = 47,634.68

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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.