Home / 71,166.14-98,214.36-39,334.35

Finding the Fourth Proportional to 71,166.14, 98,214.36 and 39,334.35

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Solution

The fourth proportional to 71,166.14, 98,214.36 and 39,334.35 is: 54,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.14 : 98,214.36 = 39,334.35 : x
  2. Step 2: Convert to fraction form
    71,166.14/98,214.36 = 39,334.35/x
  3. Step 3: Cross multiply
    71,166.14x = 98,214.36 × 39,334.35
  4. Step 4: Simplify right side
    71,166.14x = 3,863,198,011.27
  5. Step 5: Solve for x
    x = 3,863,198,011.27/71,166.14
  6. Step 6: Final answer
    x = 54,284.22

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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.