Home / 90,086.36-124,319.22-50,342.36

Finding the Fourth Proportional to 90,086.36, 124,319.22 and 50,342.36

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Solution

The fourth proportional to 90,086.36, 124,319.22 and 50,342.36 is: 69,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,086.36 : 124,319.22 = 50,342.36 : x
  2. Step 2: Convert to fraction form
    90,086.36/124,319.22 = 50,342.36/x
  3. Step 3: Cross multiply
    90,086.36x = 124,319.22 × 50,342.36
  4. Step 4: Simplify right side
    90,086.36x = 6,258,522,928.16
  5. Step 5: Solve for x
    x = 6,258,522,928.16/90,086.36
  6. Step 6: Final answer
    x = 69,472.48

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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.