Home / 71,343.23-98,453.61-39,512.10

Finding the Fourth Proportional to 71,343.23, 98,453.61 and 39,512.10

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Solution

The fourth proportional to 71,343.23, 98,453.61 and 39,512.10 is: 54,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.23 : 98,453.61 = 39,512.10 : x
  2. Step 2: Convert to fraction form
    71,343.23/98,453.61 = 39,512.10/x
  3. Step 3: Cross multiply
    71,343.23x = 98,453.61 × 39,512.10
  4. Step 4: Simplify right side
    71,343.23x = 3,890,108,883.68
  5. Step 5: Solve for x
    x = 3,890,108,883.68/71,343.23
  6. Step 6: Final answer
    x = 54,526.68

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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.