Home / 71,040.14-98,035.19-39,208.81

Finding the Fourth Proportional to 71,040.14, 98,035.19 and 39,208.81

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Solution

The fourth proportional to 71,040.14, 98,035.19 and 39,208.81 is: 54,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.14 : 98,035.19 = 39,208.81 : x
  2. Step 2: Convert to fraction form
    71,040.14/98,035.19 = 39,208.81/x
  3. Step 3: Cross multiply
    71,040.14x = 98,035.19 × 39,208.81
  4. Step 4: Simplify right side
    71,040.14x = 3,843,843,138.02
  5. Step 5: Solve for x
    x = 3,843,843,138.02/71,040.14
  6. Step 6: Final answer
    x = 54,108.05

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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.