Home / 45,228.52-67,732.06-31,868.68

Finding the Fourth Proportional to 45,228.52, 67,732.06 and 31,868.68

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Solution

The fourth proportional to 45,228.52, 67,732.06 and 31,868.68 is: 47,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.52 : 67,732.06 = 31,868.68 : x
  2. Step 2: Convert to fraction form
    45,228.52/67,732.06 = 31,868.68/x
  3. Step 3: Cross multiply
    45,228.52x = 67,732.06 × 31,868.68
  4. Step 4: Simplify right side
    45,228.52x = 2,158,531,345.88
  5. Step 5: Solve for x
    x = 2,158,531,345.88/45,228.52
  6. Step 6: Final answer
    x = 47,725.01

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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.