Home / 70,163.23-96,825.35-39,948.56

Finding the Fourth Proportional to 70,163.23, 96,825.35 and 39,948.56

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Solution

The fourth proportional to 70,163.23, 96,825.35 and 39,948.56 is: 55,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.23 : 96,825.35 = 39,948.56 : x
  2. Step 2: Convert to fraction form
    70,163.23/96,825.35 = 39,948.56/x
  3. Step 3: Cross multiply
    70,163.23x = 96,825.35 × 39,948.56
  4. Step 4: Simplify right side
    70,163.23x = 3,868,033,496.12
  5. Step 5: Solve for x
    x = 3,868,033,496.12/70,163.23
  6. Step 6: Final answer
    x = 55,129.07

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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.