Home / 91,556.35-137,326.73-28,375.04

Finding the Fourth Proportional to 91,556.35, 137,326.73 and 28,375.04

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Solution

The fourth proportional to 91,556.35, 137,326.73 and 28,375.04 is: 42,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,556.35 : 137,326.73 = 28,375.04 : x
  2. Step 2: Convert to fraction form
    91,556.35/137,326.73 = 28,375.04/x
  3. Step 3: Cross multiply
    91,556.35x = 137,326.73 × 28,375.04
  4. Step 4: Simplify right side
    91,556.35x = 3,896,651,658.26
  5. Step 5: Solve for x
    x = 3,896,651,658.26/91,556.35
  6. Step 6: Final answer
    x = 42,560.15

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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.