Home / 97,729.12-146,624.82-43,685.47

Finding the Fourth Proportional to 97,729.12, 146,624.82 and 43,685.47

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Solution

The fourth proportional to 97,729.12, 146,624.82 and 43,685.47 is: 65,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.12 : 146,624.82 = 43,685.47 : x
  2. Step 2: Convert to fraction form
    97,729.12/146,624.82 = 43,685.47/x
  3. Step 3: Cross multiply
    97,729.12x = 146,624.82 × 43,685.47
  4. Step 4: Simplify right side
    97,729.12x = 6,405,373,442.24
  5. Step 5: Solve for x
    x = 6,405,373,442.24/97,729.12
  6. Step 6: Final answer
    x = 65,542.12

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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.