Home / 71,490.22-107,165.59-34,040.23

Finding the Fourth Proportional to 71,490.22, 107,165.59 and 34,040.23

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Solution

The fourth proportional to 71,490.22, 107,165.59 and 34,040.23 is: 51,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,490.22 : 107,165.59 = 34,040.23 : x
  2. Step 2: Convert to fraction form
    71,490.22/107,165.59 = 34,040.23/x
  3. Step 3: Cross multiply
    71,490.22x = 107,165.59 × 34,040.23
  4. Step 4: Simplify right side
    71,490.22x = 3,647,941,331.69
  5. Step 5: Solve for x
    x = 3,647,941,331.69/71,490.22
  6. Step 6: Final answer
    x = 51,027.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.