Home / 71,165.16-98,199.14-39,334.12

Finding the Fourth Proportional to 71,165.16, 98,199.14 and 39,334.12

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Solution

The fourth proportional to 71,165.16, 98,199.14 and 39,334.12 is: 54,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,165.16 : 98,199.14 = 39,334.12 : x
  2. Step 2: Convert to fraction form
    71,165.16/98,199.14 = 39,334.12/x
  3. Step 3: Cross multiply
    71,165.16x = 98,199.14 × 39,334.12
  4. Step 4: Simplify right side
    71,165.16x = 3,862,576,756.66
  5. Step 5: Solve for x
    x = 3,862,576,756.66/71,165.16
  6. Step 6: Final answer
    x = 54,276.23

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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.