Home / 101,537.38-152,325.51-31,404.34

Finding the Fourth Proportional to 101,537.38, 152,325.51 and 31,404.34

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Solution

The fourth proportional to 101,537.38, 152,325.51 and 31,404.34 is: 47,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537.38 : 152,325.51 = 31,404.34 : x
  2. Step 2: Convert to fraction form
    101,537.38/152,325.51 = 31,404.34/x
  3. Step 3: Cross multiply
    101,537.38x = 152,325.51 × 31,404.34
  4. Step 4: Simplify right side
    101,537.38x = 4,783,682,106.71
  5. Step 5: Solve for x
    x = 4,783,682,106.71/101,537.38
  6. Step 6: Final answer
    x = 47,112.52

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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.