Home / 90,449.40-124,811.28-50,162.46

Finding the Fourth Proportional to 90,449.40, 124,811.28 and 50,162.46

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Solution

The fourth proportional to 90,449.40, 124,811.28 and 50,162.46 is: 69,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,449.40 : 124,811.28 = 50,162.46 : x
  2. Step 2: Convert to fraction form
    90,449.40/124,811.28 = 50,162.46/x
  3. Step 3: Cross multiply
    90,449.40x = 124,811.28 × 50,162.46
  4. Step 4: Simplify right side
    90,449.40x = 6,260,840,840.55
  5. Step 5: Solve for x
    x = 6,260,840,840.55/90,449.40
  6. Step 6: Final answer
    x = 69,219.26

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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.