Home / 67,711.34-93,441.09-39,020.54

Finding the Fourth Proportional to 67,711.34, 93,441.09 and 39,020.54

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Solution

The fourth proportional to 67,711.34, 93,441.09 and 39,020.54 is: 53,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.34 : 93,441.09 = 39,020.54 : x
  2. Step 2: Convert to fraction form
    67,711.34/93,441.09 = 39,020.54/x
  3. Step 3: Cross multiply
    67,711.34x = 93,441.09 × 39,020.54
  4. Step 4: Simplify right side
    67,711.34x = 3,646,121,469.11
  5. Step 5: Solve for x
    x = 3,646,121,469.11/67,711.34
  6. Step 6: Final answer
    x = 53,848.02

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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.