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Finding the Fourth Proportional to 72,934.66, 100,599.87 and 44,654.32

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Solution

The fourth proportional to 72,934.66, 100,599.87 and 44,654.32 is: 61,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.66 : 100,599.87 = 44,654.32 : x
  2. Step 2: Convert to fraction form
    72,934.66/100,599.87 = 44,654.32/x
  3. Step 3: Cross multiply
    72,934.66x = 100,599.87 × 44,654.32
  4. Step 4: Simplify right side
    72,934.66x = 4,492,218,786.94
  5. Step 5: Solve for x
    x = 4,492,218,786.94/72,934.66
  6. Step 6: Final answer
    x = 61,592.37

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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.