Home / 118,404.08-177,634.02-38,435.87

Finding the Fourth Proportional to 118,404.08, 177,634.02 and 38,435.87

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Solution

The fourth proportional to 118,404.08, 177,634.02 and 38,435.87 is: 57,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,404.08 : 177,634.02 = 38,435.87 : x
  2. Step 2: Convert to fraction form
    118,404.08/177,634.02 = 38,435.87/x
  3. Step 3: Cross multiply
    118,404.08x = 177,634.02 × 38,435.87
  4. Step 4: Simplify right side
    118,404.08x = 6,827,517,908.12
  5. Step 5: Solve for x
    x = 6,827,517,908.12/118,404.08
  6. Step 6: Final answer
    x = 57,662.86

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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.