Home / 66,069.52-99,103.97-18,684.52

Finding the Fourth Proportional to 66,069.52, 99,103.97 and 18,684.52

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Solution

The fourth proportional to 66,069.52, 99,103.97 and 18,684.52 is: 28,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.52 : 99,103.97 = 18,684.52 : x
  2. Step 2: Convert to fraction form
    66,069.52/99,103.97 = 18,684.52/x
  3. Step 3: Cross multiply
    66,069.52x = 99,103.97 × 18,684.52
  4. Step 4: Simplify right side
    66,069.52x = 1,851,709,908.50
  5. Step 5: Solve for x
    x = 1,851,709,908.50/66,069.52
  6. Step 6: Final answer
    x = 28,026.69

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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.