Home / 112,881.30-169,261.78-37,976.55

Finding the Fourth Proportional to 112,881.30, 169,261.78 and 37,976.55

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Solution

The fourth proportional to 112,881.30, 169,261.78 and 37,976.55 is: 56,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,881.30 : 169,261.78 = 37,976.55 : x
  2. Step 2: Convert to fraction form
    112,881.30/169,261.78 = 37,976.55/x
  3. Step 3: Cross multiply
    112,881.30x = 169,261.78 × 37,976.55
  4. Step 4: Simplify right side
    112,881.30x = 6,427,978,451.26
  5. Step 5: Solve for x
    x = 6,427,978,451.26/112,881.30
  6. Step 6: Final answer
    x = 56,944.58

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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.