Home / 74,819.12-111,951.48-59,983.16

Finding the Fourth Proportional to 74,819.12, 111,951.48 and 59,983.16

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Solution

The fourth proportional to 74,819.12, 111,951.48 and 59,983.16 is: 89,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.12 : 111,951.48 = 59,983.16 : x
  2. Step 2: Convert to fraction form
    74,819.12/111,951.48 = 59,983.16/x
  3. Step 3: Cross multiply
    74,819.12x = 111,951.48 × 59,983.16
  4. Step 4: Simplify right side
    74,819.12x = 6,715,203,537.08
  5. Step 5: Solve for x
    x = 6,715,203,537.08/74,819.12
  6. Step 6: Final answer
    x = 89,752.51

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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.