Home / 45,567.79-68,351.09-15,581.72

Finding the Fourth Proportional to 45,567.79, 68,351.09 and 15,581.72

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Solution

The fourth proportional to 45,567.79, 68,351.09 and 15,581.72 is: 23,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,567.79 : 68,351.09 = 15,581.72 : x
  2. Step 2: Convert to fraction form
    45,567.79/68,351.09 = 15,581.72/x
  3. Step 3: Cross multiply
    45,567.79x = 68,351.09 × 15,581.72
  4. Step 4: Simplify right side
    45,567.79x = 1,065,027,639.04
  5. Step 5: Solve for x
    x = 1,065,027,639.04/45,567.79
  6. Step 6: Final answer
    x = 23,372.38

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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.