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Finding the Fourth Proportional to 65,970.67, 98,977.92 and 43,871.08

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Solution

The fourth proportional to 65,970.67, 98,977.92 and 43,871.08 is: 65,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,970.67 : 98,977.92 = 43,871.08 : x
  2. Step 2: Convert to fraction form
    65,970.67/98,977.92 = 43,871.08/x
  3. Step 3: Cross multiply
    65,970.67x = 98,977.92 × 43,871.08
  4. Step 4: Simplify right side
    65,970.67x = 4,342,268,246.55
  5. Step 5: Solve for x
    x = 4,342,268,246.55/65,970.67
  6. Step 6: Final answer
    x = 65,821.19

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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.