Home / 91,276.76-125,960.54-50,991.10

Finding the Fourth Proportional to 91,276.76, 125,960.54 and 50,991.10

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Solution

The fourth proportional to 91,276.76, 125,960.54 and 50,991.10 is: 70,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.76 : 125,960.54 = 50,991.10 : x
  2. Step 2: Convert to fraction form
    91,276.76/125,960.54 = 50,991.10/x
  3. Step 3: Cross multiply
    91,276.76x = 125,960.54 × 50,991.10
  4. Step 4: Simplify right side
    91,276.76x = 6,422,866,491.19
  5. Step 5: Solve for x
    x = 6,422,866,491.19/91,276.76
  6. Step 6: Final answer
    x = 70,366.94

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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.