Home / 64,903.42-89,551.20-36,609.18

Finding the Fourth Proportional to 64,903.42, 89,551.20 and 36,609.18

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Solution

The fourth proportional to 64,903.42, 89,551.20 and 36,609.18 is: 50,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.42 : 89,551.20 = 36,609.18 : x
  2. Step 2: Convert to fraction form
    64,903.42/89,551.20 = 36,609.18/x
  3. Step 3: Cross multiply
    64,903.42x = 89,551.20 × 36,609.18
  4. Step 4: Simplify right side
    64,903.42x = 3,278,396,000.02
  5. Step 5: Solve for x
    x = 3,278,396,000.02/64,903.42
  6. Step 6: Final answer
    x = 50,511.91

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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.