Home / 90,416.36-135,630.18-23,856.56

Finding the Fourth Proportional to 90,416.36, 135,630.18 and 23,856.56

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Solution

The fourth proportional to 90,416.36, 135,630.18 and 23,856.56 is: 35,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416.36 : 135,630.18 = 23,856.56 : x
  2. Step 2: Convert to fraction form
    90,416.36/135,630.18 = 23,856.56/x
  3. Step 3: Cross multiply
    90,416.36x = 135,630.18 × 23,856.56
  4. Step 4: Simplify right side
    90,416.36x = 3,235,668,848.83
  5. Step 5: Solve for x
    x = 3,235,668,848.83/90,416.36
  6. Step 6: Final answer
    x = 35,786.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.