Home / 75,680.48-104,489.39-47,042.93

Finding the Fourth Proportional to 75,680.48, 104,489.39 and 47,042.93

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Solution

The fourth proportional to 75,680.48, 104,489.39 and 47,042.93 is: 64,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.48 : 104,489.39 = 47,042.93 : x
  2. Step 2: Convert to fraction form
    75,680.48/104,489.39 = 47,042.93/x
  3. Step 3: Cross multiply
    75,680.48x = 104,489.39 × 47,042.93
  4. Step 4: Simplify right side
    75,680.48x = 4,915,487,059.51
  5. Step 5: Solve for x
    x = 4,915,487,059.51/75,680.48
  6. Step 6: Final answer
    x = 64,950.53

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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.