Home / 71,137.23-98,215.14-45,654.57

Finding the Fourth Proportional to 71,137.23, 98,215.14 and 45,654.57

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Solution

The fourth proportional to 71,137.23, 98,215.14 and 45,654.57 is: 63,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,137.23 : 98,215.14 = 45,654.57 : x
  2. Step 2: Convert to fraction form
    71,137.23/98,215.14 = 45,654.57/x
  3. Step 3: Cross multiply
    71,137.23x = 98,215.14 × 45,654.57
  4. Step 4: Simplify right side
    71,137.23x = 4,483,969,984.19
  5. Step 5: Solve for x
    x = 4,483,969,984.19/71,137.23
  6. Step 6: Final answer
    x = 63,032.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.