Home / 91,209.70-125,867.35-50,927.25

Finding the Fourth Proportional to 91,209.70, 125,867.35 and 50,927.25

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Solution

The fourth proportional to 91,209.70, 125,867.35 and 50,927.25 is: 70,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,209.70 : 125,867.35 = 50,927.25 : x
  2. Step 2: Convert to fraction form
    91,209.70/125,867.35 = 50,927.25/x
  3. Step 3: Cross multiply
    91,209.70x = 125,867.35 × 50,927.25
  4. Step 4: Simplify right side
    91,209.70x = 6,410,078,000.29
  5. Step 5: Solve for x
    x = 6,410,078,000.29/91,209.70
  6. Step 6: Final answer
    x = 70,278.47

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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.