Home / 91,057.76-125,650.53-50,767.74

Finding the Fourth Proportional to 91,057.76, 125,650.53 and 50,767.74

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Solution

The fourth proportional to 91,057.76, 125,650.53 and 50,767.74 is: 70,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,057.76 : 125,650.53 = 50,767.74 : x
  2. Step 2: Convert to fraction form
    91,057.76/125,650.53 = 50,767.74/x
  3. Step 3: Cross multiply
    91,057.76x = 125,650.53 × 50,767.74
  4. Step 4: Simplify right side
    91,057.76x = 6,378,993,437.90
  5. Step 5: Solve for x
    x = 6,378,993,437.90/91,057.76
  6. Step 6: Final answer
    x = 70,054.37

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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.