Home / 90,419.44-124,778.62-50,132.16

Finding the Fourth Proportional to 90,419.44, 124,778.62 and 50,132.16

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Solution

The fourth proportional to 90,419.44, 124,778.62 and 50,132.16 is: 69,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,419.44 : 124,778.62 = 50,132.16 : x
  2. Step 2: Convert to fraction form
    90,419.44/124,778.62 = 50,132.16/x
  3. Step 3: Cross multiply
    90,419.44x = 124,778.62 × 50,132.16
  4. Step 4: Simplify right side
    90,419.44x = 6,255,421,742.42
  5. Step 5: Solve for x
    x = 6,255,421,742.42/90,419.44
  6. Step 6: Final answer
    x = 69,182.27

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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.