Home / 71,284.16-98,370.96-39,452.60

Finding the Fourth Proportional to 71,284.16, 98,370.96 and 39,452.60

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Solution

The fourth proportional to 71,284.16, 98,370.96 and 39,452.60 is: 54,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,284.16 : 98,370.96 = 39,452.60 : x
  2. Step 2: Convert to fraction form
    71,284.16/98,370.96 = 39,452.60/x
  3. Step 3: Cross multiply
    71,284.16x = 98,370.96 × 39,452.60
  4. Step 4: Simplify right side
    71,284.16x = 3,880,990,136.50
  5. Step 5: Solve for x
    x = 3,880,990,136.50/71,284.16
  6. Step 6: Final answer
    x = 54,443.93

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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.