Home / 48,404.49-66,751.68-31,402.50

Finding the Fourth Proportional to 48,404.49, 66,751.68 and 31,402.50

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Solution

The fourth proportional to 48,404.49, 66,751.68 and 31,402.50 is: 43,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,404.49 : 66,751.68 = 31,402.50 : x
  2. Step 2: Convert to fraction form
    48,404.49/66,751.68 = 31,402.50/x
  3. Step 3: Cross multiply
    48,404.49x = 66,751.68 × 31,402.50
  4. Step 4: Simplify right side
    48,404.49x = 2,096,169,631.20
  5. Step 5: Solve for x
    x = 2,096,169,631.20/48,404.49
  6. Step 6: Final answer
    x = 43,305.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.