Home / 74,378.96-111,587.88-43,184.24

Finding the Fourth Proportional to 74,378.96, 111,587.88 and 43,184.24

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Solution

The fourth proportional to 74,378.96, 111,587.88 and 43,184.24 is: 64,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,378.96 : 111,587.88 = 43,184.24 : x
  2. Step 2: Convert to fraction form
    74,378.96/111,587.88 = 43,184.24/x
  3. Step 3: Cross multiply
    74,378.96x = 111,587.88 × 43,184.24
  4. Step 4: Simplify right side
    74,378.96x = 4,818,837,791.01
  5. Step 5: Solve for x
    x = 4,818,837,791.01/74,378.96
  6. Step 6: Final answer
    x = 64,787.65

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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.