Home / 45,078.30-67,628.52-15,496.56

Finding the Fourth Proportional to 45,078.30, 67,628.52 and 15,496.56

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Solution

The fourth proportional to 45,078.30, 67,628.52 and 15,496.56 is: 23,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.30 : 67,628.52 = 15,496.56 : x
  2. Step 2: Convert to fraction form
    45,078.30/67,628.52 = 15,496.56/x
  3. Step 3: Cross multiply
    45,078.30x = 67,628.52 × 15,496.56
  4. Step 4: Simplify right side
    45,078.30x = 1,048,009,417.89
  5. Step 5: Solve for x
    x = 1,048,009,417.89/45,078.30
  6. Step 6: Final answer
    x = 23,248.65

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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.