Home / 118,405.08-177,635.52-38,436.87

Finding the Fourth Proportional to 118,405.08, 177,635.52 and 38,436.87

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Solution

The fourth proportional to 118,405.08, 177,635.52 and 38,436.87 is: 57,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,405.08 : 177,635.52 = 38,436.87 : x
  2. Step 2: Convert to fraction form
    118,405.08/177,635.52 = 38,436.87/x
  3. Step 3: Cross multiply
    118,405.08x = 177,635.52 × 38,436.87
  4. Step 4: Simplify right side
    118,405.08x = 6,827,753,389.62
  5. Step 5: Solve for x
    x = 6,827,753,389.62/118,405.08
  6. Step 6: Final answer
    x = 57,664.36

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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.