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Finding the Fourth Proportional to 65,655.96, 98,487.99 and 44,587.05

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Solution

The fourth proportional to 65,655.96, 98,487.99 and 44,587.05 is: 66,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.96 : 98,487.99 = 44,587.05 : x
  2. Step 2: Convert to fraction form
    65,655.96/98,487.99 = 44,587.05/x
  3. Step 3: Cross multiply
    65,655.96x = 98,487.99 × 44,587.05
  4. Step 4: Simplify right side
    65,655.96x = 4,391,288,934.53
  5. Step 5: Solve for x
    x = 4,391,288,934.53/65,655.96
  6. Step 6: Final answer
    x = 66,883.33

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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.