Home / 91,261.57-125,939.64-50,975.91

Finding the Fourth Proportional to 91,261.57, 125,939.64 and 50,975.91

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Solution

The fourth proportional to 91,261.57, 125,939.64 and 50,975.91 is: 70,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.57 : 125,939.64 = 50,975.91 : x
  2. Step 2: Convert to fraction form
    91,261.57/125,939.64 = 50,975.91/x
  3. Step 3: Cross multiply
    91,261.57x = 125,939.64 × 50,975.91
  4. Step 4: Simplify right side
    91,261.57x = 6,419,887,754.07
  5. Step 5: Solve for x
    x = 6,419,887,754.07/91,261.57
  6. Step 6: Final answer
    x = 70,346.01

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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.