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Finding the Fourth Proportional to 71,762.82, 98,989.14 and 44,883.24

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Solution

The fourth proportional to 71,762.82, 98,989.14 and 44,883.24 is: 61,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,762.82 : 98,989.14 = 44,883.24 : x
  2. Step 2: Convert to fraction form
    71,762.82/98,989.14 = 44,883.24/x
  3. Step 3: Cross multiply
    71,762.82x = 98,989.14 × 44,883.24
  4. Step 4: Simplify right side
    71,762.82x = 4,442,953,328.01
  5. Step 5: Solve for x
    x = 4,442,953,328.01/71,762.82
  6. Step 6: Final answer
    x = 61,911.63

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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.