Home / 90,355.05-135,539.24-23,794.72

Finding the Fourth Proportional to 90,355.05, 135,539.24 and 23,794.72

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Solution

The fourth proportional to 90,355.05, 135,539.24 and 23,794.72 is: 35,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,355.05 : 135,539.24 = 23,794.72 : x
  2. Step 2: Convert to fraction form
    90,355.05/135,539.24 = 23,794.72/x
  3. Step 3: Cross multiply
    90,355.05x = 135,539.24 × 23,794.72
  4. Step 4: Simplify right side
    90,355.05x = 3,225,118,264.81
  5. Step 5: Solve for x
    x = 3,225,118,264.81/90,355.05
  6. Step 6: Final answer
    x = 35,693.84

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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.