Home / 64,624.32-89,189.60-36,330.03

Finding the Fourth Proportional to 64,624.32, 89,189.60 and 36,330.03

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Solution

The fourth proportional to 64,624.32, 89,189.60 and 36,330.03 is: 50,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624.32 : 89,189.60 = 36,330.03 : x
  2. Step 2: Convert to fraction form
    64,624.32/89,189.60 = 36,330.03/x
  3. Step 3: Cross multiply
    64,624.32x = 89,189.60 × 36,330.03
  4. Step 4: Simplify right side
    64,624.32x = 3,240,260,843.69
  5. Step 5: Solve for x
    x = 3,240,260,843.69/64,624.32
  6. Step 6: Final answer
    x = 50,139.96

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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.