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Finding the Fourth Proportional to 94,392.68, 141,465.90 and 47,620.04

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Solution

The fourth proportional to 94,392.68, 141,465.90 and 47,620.04 is: 71,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,392.68 : 141,465.90 = 47,620.04 : x
  2. Step 2: Convert to fraction form
    94,392.68/141,465.90 = 47,620.04/x
  3. Step 3: Cross multiply
    94,392.68x = 141,465.90 × 47,620.04
  4. Step 4: Simplify right side
    94,392.68x = 6,736,611,816.64
  5. Step 5: Solve for x
    x = 6,736,611,816.64/94,392.68
  6. Step 6: Final answer
    x = 71,367.95

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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.