Home / 71,975.64-99,367.05-47,818.07

Finding the Fourth Proportional to 71,975.64, 99,367.05 and 47,818.07

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Solution

The fourth proportional to 71,975.64, 99,367.05 and 47,818.07 is: 66,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975.64 : 99,367.05 = 47,818.07 : x
  2. Step 2: Convert to fraction form
    71,975.64/99,367.05 = 47,818.07/x
  3. Step 3: Cross multiply
    71,975.64x = 99,367.05 × 47,818.07
  4. Step 4: Simplify right side
    71,975.64x = 4,751,540,552.59
  5. Step 5: Solve for x
    x = 4,751,540,552.59/71,975.64
  6. Step 6: Final answer
    x = 66,015.95

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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.