Home / 91,280.09-125,966.52-50,993.87

Finding the Fourth Proportional to 91,280.09, 125,966.52 and 50,993.87

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Solution

The fourth proportional to 91,280.09, 125,966.52 and 50,993.87 is: 70,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280.09 : 125,966.52 = 50,993.87 : x
  2. Step 2: Convert to fraction form
    91,280.09/125,966.52 = 50,993.87/x
  3. Step 3: Cross multiply
    91,280.09x = 125,966.52 × 50,993.87
  4. Step 4: Simplify right side
    91,280.09x = 6,423,519,715.40
  5. Step 5: Solve for x
    x = 6,423,519,715.40/91,280.09
  6. Step 6: Final answer
    x = 70,371.53

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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.