Home / 74,532.96-111,651.82-48,256.16

Finding the Fourth Proportional to 74,532.96, 111,651.82 and 48,256.16

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Solution

The fourth proportional to 74,532.96, 111,651.82 and 48,256.16 is: 72,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.96 : 111,651.82 = 48,256.16 : x
  2. Step 2: Convert to fraction form
    74,532.96/111,651.82 = 48,256.16/x
  3. Step 3: Cross multiply
    74,532.96x = 111,651.82 × 48,256.16
  4. Step 4: Simplify right side
    74,532.96x = 5,387,887,411.31
  5. Step 5: Solve for x
    x = 5,387,887,411.31/74,532.96
  6. Step 6: Final answer
    x = 72,288.65

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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.