Home / 104,662.45-144,429.78-59,343.49

Finding the Fourth Proportional to 104,662.45, 144,429.78 and 59,343.49

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Solution

The fourth proportional to 104,662.45, 144,429.78 and 59,343.49 is: 81,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.45 : 144,429.78 = 59,343.49 : x
  2. Step 2: Convert to fraction form
    104,662.45/144,429.78 = 59,343.49/x
  3. Step 3: Cross multiply
    104,662.45x = 144,429.78 × 59,343.49
  4. Step 4: Simplify right side
    104,662.45x = 8,570,967,205.13
  5. Step 5: Solve for x
    x = 8,570,967,205.13/104,662.45
  6. Step 6: Final answer
    x = 81,891.52

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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.