Home / 45,609.75-68,358.47-32,390.55

Finding the Fourth Proportional to 45,609.75, 68,358.47 and 32,390.55

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Solution

The fourth proportional to 45,609.75, 68,358.47 and 32,390.55 is: 48,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.75 : 68,358.47 = 32,390.55 : x
  2. Step 2: Convert to fraction form
    45,609.75/68,358.47 = 32,390.55/x
  3. Step 3: Cross multiply
    45,609.75x = 68,358.47 × 32,390.55
  4. Step 4: Simplify right side
    45,609.75x = 2,214,168,278.51
  5. Step 5: Solve for x
    x = 2,214,168,278.51/45,609.75
  6. Step 6: Final answer
    x = 48,545.94

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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.