Home / 65,725.41-98,548.67-30,142.14

Finding the Fourth Proportional to 65,725.41, 98,548.67 and 30,142.14

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Solution

The fourth proportional to 65,725.41, 98,548.67 and 30,142.14 is: 45,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.41 : 98,548.67 = 30,142.14 : x
  2. Step 2: Convert to fraction form
    65,725.41/98,548.67 = 30,142.14/x
  3. Step 3: Cross multiply
    65,725.41x = 98,548.67 × 30,142.14
  4. Step 4: Simplify right side
    65,725.41x = 2,970,467,898.54
  5. Step 5: Solve for x
    x = 2,970,467,898.54/65,725.41
  6. Step 6: Final answer
    x = 45,195.12

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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.