Home / 65,825.05-90,838.20-35,610.29

Finding the Fourth Proportional to 65,825.05, 90,838.20 and 35,610.29

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Solution

The fourth proportional to 65,825.05, 90,838.20 and 35,610.29 is: 49,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,825.05 : 90,838.20 = 35,610.29 : x
  2. Step 2: Convert to fraction form
    65,825.05/90,838.20 = 35,610.29/x
  3. Step 3: Cross multiply
    65,825.05x = 90,838.20 × 35,610.29
  4. Step 4: Simplify right side
    65,825.05x = 3,234,774,645.08
  5. Step 5: Solve for x
    x = 3,234,774,645.08/65,825.05
  6. Step 6: Final answer
    x = 49,142.00

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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.