Home / 91,142.85-125,777.46-50,858.31

Finding the Fourth Proportional to 91,142.85, 125,777.46 and 50,858.31

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Solution

The fourth proportional to 91,142.85, 125,777.46 and 50,858.31 is: 70,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,142.85 : 125,777.46 = 50,858.31 : x
  2. Step 2: Convert to fraction form
    91,142.85/125,777.46 = 50,858.31/x
  3. Step 3: Cross multiply
    91,142.85x = 125,777.46 × 50,858.31
  4. Step 4: Simplify right side
    91,142.85x = 6,396,829,051.69
  5. Step 5: Solve for x
    x = 6,396,829,051.69/91,142.85
  6. Step 6: Final answer
    x = 70,184.65

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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.