Home / 70,161.05-96,826.71-39,949.01

Finding the Fourth Proportional to 70,161.05, 96,826.71 and 39,949.01

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Solution

The fourth proportional to 70,161.05, 96,826.71 and 39,949.01 is: 55,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.05 : 96,826.71 = 39,949.01 : x
  2. Step 2: Convert to fraction form
    70,161.05/96,826.71 = 39,949.01/x
  3. Step 3: Cross multiply
    70,161.05x = 96,826.71 × 39,949.01
  4. Step 4: Simplify right side
    70,161.05x = 3,868,131,206.06
  5. Step 5: Solve for x
    x = 3,868,131,206.06/70,161.05
  6. Step 6: Final answer
    x = 55,132.17

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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.