Home / 69,212.04-103,800.78-22,478.28

Finding the Fourth Proportional to 69,212.04, 103,800.78 and 22,478.28

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Solution

The fourth proportional to 69,212.04, 103,800.78 and 22,478.28 is: 33,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.04 : 103,800.78 = 22,478.28 : x
  2. Step 2: Convert to fraction form
    69,212.04/103,800.78 = 22,478.28/x
  3. Step 3: Cross multiply
    69,212.04x = 103,800.78 × 22,478.28
  4. Step 4: Simplify right side
    69,212.04x = 2,333,262,997.06
  5. Step 5: Solve for x
    x = 2,333,262,997.06/69,212.04
  6. Step 6: Final answer
    x = 33,711.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.