Home / 91,049.80-125,668.85-59,163.34

Finding the Fourth Proportional to 91,049.80, 125,668.85 and 59,163.34

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Solution

The fourth proportional to 91,049.80, 125,668.85 and 59,163.34 is: 81,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.80 : 125,668.85 = 59,163.34 : x
  2. Step 2: Convert to fraction form
    91,049.80/125,668.85 = 59,163.34/x
  3. Step 3: Cross multiply
    91,049.80x = 125,668.85 × 59,163.34
  4. Step 4: Simplify right side
    91,049.80x = 7,434,988,899.96
  5. Step 5: Solve for x
    x = 7,434,988,899.96/91,049.80
  6. Step 6: Final answer
    x = 81,658.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.