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Finding the Fourth Proportional to 71,745.62, 98,967.75 and 44,841.42

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Solution

The fourth proportional to 71,745.62, 98,967.75 and 44,841.42 is: 61,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,745.62 : 98,967.75 = 44,841.42 : x
  2. Step 2: Convert to fraction form
    71,745.62/98,967.75 = 44,841.42/x
  3. Step 3: Cross multiply
    71,745.62x = 98,967.75 × 44,841.42
  4. Step 4: Simplify right side
    71,745.62x = 4,437,854,444.21
  5. Step 5: Solve for x
    x = 4,437,854,444.21/71,745.62
  6. Step 6: Final answer
    x = 61,855.41

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1.5x scale

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.