Home / 91,281.06-125,960.67-50,991.66

Finding the Fourth Proportional to 91,281.06, 125,960.67 and 50,991.66

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Solution

The fourth proportional to 91,281.06, 125,960.67 and 50,991.66 is: 70,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.06 : 125,960.67 = 50,991.66 : x
  2. Step 2: Convert to fraction form
    91,281.06/125,960.67 = 50,991.66/x
  3. Step 3: Cross multiply
    91,281.06x = 125,960.67 × 50,991.66
  4. Step 4: Simplify right side
    91,281.06x = 6,422,943,658.01
  5. Step 5: Solve for x
    x = 6,422,943,658.01/91,281.06
  6. Step 6: Final answer
    x = 70,364.47

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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.