Home / 118,551.85-177,837.09-39,666.36

Finding the Fourth Proportional to 118,551.85, 177,837.09 and 39,666.36

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Solution

The fourth proportional to 118,551.85, 177,837.09 and 39,666.36 is: 59,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,551.85 : 177,837.09 = 39,666.36 : x
  2. Step 2: Convert to fraction form
    118,551.85/177,837.09 = 39,666.36/x
  3. Step 3: Cross multiply
    118,551.85x = 177,837.09 × 39,666.36
  4. Step 4: Simplify right side
    118,551.85x = 7,054,149,144.11
  5. Step 5: Solve for x
    x = 7,054,149,144.11/118,551.85
  6. Step 6: Final answer
    x = 59,502.65

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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.