Home / 113,764.62-170,647.86-74,569.92

Finding the Fourth Proportional to 113,764.62, 170,647.86 and 74,569.92

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Solution

The fourth proportional to 113,764.62, 170,647.86 and 74,569.92 is: 111,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.62 : 170,647.86 = 74,569.92 : x
  2. Step 2: Convert to fraction form
    113,764.62/170,647.86 = 74,569.92/x
  3. Step 3: Cross multiply
    113,764.62x = 170,647.86 × 74,569.92
  4. Step 4: Simplify right side
    113,764.62x = 12,725,197,268.37
  5. Step 5: Solve for x
    x = 12,725,197,268.37/113,764.62
  6. Step 6: Final answer
    x = 111,855.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.