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Finding the Fourth Proportional to 72,965.96, 109,444.96 and 22,364.92

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Solution

The fourth proportional to 72,965.96, 109,444.96 and 22,364.92 is: 33,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,965.96 : 109,444.96 = 22,364.92 : x
  2. Step 2: Convert to fraction form
    72,965.96/109,444.96 = 22,364.92/x
  3. Step 3: Cross multiply
    72,965.96x = 109,444.96 × 22,364.92
  4. Step 4: Simplify right side
    72,965.96x = 2,447,727,774.80
  5. Step 5: Solve for x
    x = 2,447,727,774.80/72,965.96
  6. Step 6: Final answer
    x = 33,546.16

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1.5x scale

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.