Home / 77,633.33-107,127.41-43,639.25

Finding the Fourth Proportional to 77,633.33, 107,127.41 and 43,639.25

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Solution

The fourth proportional to 77,633.33, 107,127.41 and 43,639.25 is: 60,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,633.33 : 107,127.41 = 43,639.25 : x
  2. Step 2: Convert to fraction form
    77,633.33/107,127.41 = 43,639.25/x
  3. Step 3: Cross multiply
    77,633.33x = 107,127.41 × 43,639.25
  4. Step 4: Simplify right side
    77,633.33x = 4,674,959,073.01
  5. Step 5: Solve for x
    x = 4,674,959,073.01/77,633.33
  6. Step 6: Final answer
    x = 60,218.46

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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.