Home / 68,530.44-102,743.56-47,414.35

Finding the Fourth Proportional to 68,530.44, 102,743.56 and 47,414.35

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Solution

The fourth proportional to 68,530.44, 102,743.56 and 47,414.35 is: 71,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.44 : 102,743.56 = 47,414.35 : x
  2. Step 2: Convert to fraction form
    68,530.44/102,743.56 = 47,414.35/x
  3. Step 3: Cross multiply
    68,530.44x = 102,743.56 × 47,414.35
  4. Step 4: Simplify right side
    68,530.44x = 4,871,518,738.69
  5. Step 5: Solve for x
    x = 4,871,518,738.69/68,530.44
  6. Step 6: Final answer
    x = 71,085.47

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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.