Home / 71,061.23-98,065.22-39,229.45

Finding the Fourth Proportional to 71,061.23, 98,065.22 and 39,229.45

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Solution

The fourth proportional to 71,061.23, 98,065.22 and 39,229.45 is: 54,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.23 : 98,065.22 = 39,229.45 : x
  2. Step 2: Convert to fraction form
    71,061.23/98,065.22 = 39,229.45/x
  3. Step 3: Cross multiply
    71,061.23x = 98,065.22 × 39,229.45
  4. Step 4: Simplify right side
    71,061.23x = 3,847,044,203.42
  5. Step 5: Solve for x
    x = 3,847,044,203.42/71,061.23
  6. Step 6: Final answer
    x = 54,137.03

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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.