Home / 120,744.07-166,592.77-75,467.97

Finding the Fourth Proportional to 120,744.07, 166,592.77 and 75,467.97

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Solution

The fourth proportional to 120,744.07, 166,592.77 and 75,467.97 is: 104,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744.07 : 166,592.77 = 75,467.97 : x
  2. Step 2: Convert to fraction form
    120,744.07/166,592.77 = 75,467.97/x
  3. Step 3: Cross multiply
    120,744.07x = 166,592.77 × 75,467.97
  4. Step 4: Simplify right side
    120,744.07x = 12,572,417,979.91
  5. Step 5: Solve for x
    x = 12,572,417,979.91/120,744.07
  6. Step 6: Final answer
    x = 104,124.52

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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.