Home / 90,722.88-125,202.15-50,437.44

Finding the Fourth Proportional to 90,722.88, 125,202.15 and 50,437.44

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Solution

The fourth proportional to 90,722.88, 125,202.15 and 50,437.44 is: 69,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.88 : 125,202.15 = 50,437.44 : x
  2. Step 2: Convert to fraction form
    90,722.88/125,202.15 = 50,437.44/x
  3. Step 3: Cross multiply
    90,722.88x = 125,202.15 × 50,437.44
  4. Step 4: Simplify right side
    90,722.88x = 6,314,875,928.50
  5. Step 5: Solve for x
    x = 6,314,875,928.50/90,722.88
  6. Step 6: Final answer
    x = 69,606.21

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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.