Home / 45,098.32-67,572.53-31,743.34

Finding the Fourth Proportional to 45,098.32, 67,572.53 and 31,743.34

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Solution

The fourth proportional to 45,098.32, 67,572.53 and 31,743.34 is: 47,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,098.32 : 67,572.53 = 31,743.34 : x
  2. Step 2: Convert to fraction form
    45,098.32/67,572.53 = 31,743.34/x
  3. Step 3: Cross multiply
    45,098.32x = 67,572.53 × 31,743.34
  4. Step 4: Simplify right side
    45,098.32x = 2,144,977,965.94
  5. Step 5: Solve for x
    x = 2,144,977,965.94/45,098.32
  6. Step 6: Final answer
    x = 47,562.26

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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.