Home / 74,533.24-111,752.88-31,787.92

Finding the Fourth Proportional to 74,533.24, 111,752.88 and 31,787.92

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Solution

The fourth proportional to 74,533.24, 111,752.88 and 31,787.92 is: 47,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.24 : 111,752.88 = 31,787.92 : x
  2. Step 2: Convert to fraction form
    74,533.24/111,752.88 = 31,787.92/x
  3. Step 3: Cross multiply
    74,533.24x = 111,752.88 × 31,787.92
  4. Step 4: Simplify right side
    74,533.24x = 3,552,391,609.21
  5. Step 5: Solve for x
    x = 3,552,391,609.21/74,533.24
  6. Step 6: Final answer
    x = 47,661.84

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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.