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Finding the Fourth Proportional to 94,797.69, 130,815.45 and 56,600.39

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Solution

The fourth proportional to 94,797.69, 130,815.45 and 56,600.39 is: 78,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,797.69 : 130,815.45 = 56,600.39 : x
  2. Step 2: Convert to fraction form
    94,797.69/130,815.45 = 56,600.39/x
  3. Step 3: Cross multiply
    94,797.69x = 130,815.45 × 56,600.39
  4. Step 4: Simplify right side
    94,797.69x = 7,404,204,833.95
  5. Step 5: Solve for x
    x = 7,404,204,833.95/94,797.69
  6. Step 6: Final answer
    x = 78,105.33

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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.