Home / 118,610.08-177,872-39,705.56

Finding the Fourth Proportional to 118,610.08, 177,872 and 39,705.56

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Solution

The fourth proportional to 118,610.08, 177,872 and 39,705.56 is: 59,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,610.08 : 177,872 = 39,705.56 : x
  2. Step 2: Convert to fraction form
    118,610.08/177,872 = 39,705.56/x
  3. Step 3: Cross multiply
    118,610.08x = 177,872 × 39,705.56
  4. Step 4: Simplify right side
    118,610.08x = 7,062,507,368.32
  5. Step 5: Solve for x
    x = 7,062,507,368.32/118,610.08
  6. Step 6: Final answer
    x = 59,543.91

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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.