Home / 74,530.61-111,838.97-39,470.27

Finding the Fourth Proportional to 74,530.61, 111,838.97 and 39,470.27

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Solution

The fourth proportional to 74,530.61, 111,838.97 and 39,470.27 is: 59,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,530.61 : 111,838.97 = 39,470.27 : x
  2. Step 2: Convert to fraction form
    74,530.61/111,838.97 = 39,470.27/x
  3. Step 3: Cross multiply
    74,530.61x = 111,838.97 × 39,470.27
  4. Step 4: Simplify right side
    74,530.61x = 4,414,314,342.42
  5. Step 5: Solve for x
    x = 4,414,314,342.42/74,530.61
  6. Step 6: Final answer
    x = 59,228.21

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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.