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Finding the Fourth Proportional to 94,059.33, 129,860.72 and 65,370.44

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Solution

The fourth proportional to 94,059.33, 129,860.72 and 65,370.44 is: 90,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,059.33 : 129,860.72 = 65,370.44 : x
  2. Step 2: Convert to fraction form
    94,059.33/129,860.72 = 65,370.44/x
  3. Step 3: Cross multiply
    94,059.33x = 129,860.72 × 65,370.44
  4. Step 4: Simplify right side
    94,059.33x = 8,489,052,648.06
  5. Step 5: Solve for x
    x = 8,489,052,648.06/94,059.33
  6. Step 6: Final answer
    x = 90,252.11

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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.