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Finding the Fourth Proportional to 79,097.77, 118,637.88 and 19,933.44

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Solution

The fourth proportional to 79,097.77, 118,637.88 and 19,933.44 is: 29,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097.77 : 118,637.88 = 19,933.44 : x
  2. Step 2: Convert to fraction form
    79,097.77/118,637.88 = 19,933.44/x
  3. Step 3: Cross multiply
    79,097.77x = 118,637.88 × 19,933.44
  4. Step 4: Simplify right side
    79,097.77x = 2,364,861,062.71
  5. Step 5: Solve for x
    x = 2,364,861,062.71/79,097.77
  6. Step 6: Final answer
    x = 29,897.95

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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.