Home / 118,609.08-177,870.50-39,704.56

Finding the Fourth Proportional to 118,609.08, 177,870.50 and 39,704.56

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Solution

The fourth proportional to 118,609.08, 177,870.50 and 39,704.56 is: 59,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,609.08 : 177,870.50 = 39,704.56 : x
  2. Step 2: Convert to fraction form
    118,609.08/177,870.50 = 39,704.56/x
  3. Step 3: Cross multiply
    118,609.08x = 177,870.50 × 39,704.56
  4. Step 4: Simplify right side
    118,609.08x = 7,062,269,939.48
  5. Step 5: Solve for x
    x = 7,062,269,939.48/118,609.08
  6. Step 6: Final answer
    x = 59,542.41

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1.5x scale

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.