Home / 74,475.54-111,699.23-38,898.51

Finding the Fourth Proportional to 74,475.54, 111,699.23 and 38,898.51

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Solution

The fourth proportional to 74,475.54, 111,699.23 and 38,898.51 is: 58,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,475.54 : 111,699.23 = 38,898.51 : x
  2. Step 2: Convert to fraction form
    74,475.54/111,699.23 = 38,898.51/x
  3. Step 3: Cross multiply
    74,475.54x = 111,699.23 × 38,898.51
  4. Step 4: Simplify right side
    74,475.54x = 4,344,933,420.65
  5. Step 5: Solve for x
    x = 4,344,933,420.65/74,475.54
  6. Step 6: Final answer
    x = 58,340.41

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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.