Home / 75,678.47-104,448.59-43,865.82

Finding the Fourth Proportional to 75,678.47, 104,448.59 and 43,865.82

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Solution

The fourth proportional to 75,678.47, 104,448.59 and 43,865.82 is: 60,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.47 : 104,448.59 = 43,865.82 : x
  2. Step 2: Convert to fraction form
    75,678.47/104,448.59 = 43,865.82/x
  3. Step 3: Cross multiply
    75,678.47x = 104,448.59 × 43,865.82
  4. Step 4: Simplify right side
    75,678.47x = 4,581,722,993.36
  5. Step 5: Solve for x
    x = 4,581,722,993.36/75,678.47
  6. Step 6: Final answer
    x = 60,541.96

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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.