Home / 66,108.08-99,151.80-21,734.52

Finding the Fourth Proportional to 66,108.08, 99,151.80 and 21,734.52

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Solution

The fourth proportional to 66,108.08, 99,151.80 and 21,734.52 is: 32,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108.08 : 99,151.80 = 21,734.52 : x
  2. Step 2: Convert to fraction form
    66,108.08/99,151.80 = 21,734.52/x
  3. Step 3: Cross multiply
    66,108.08x = 99,151.80 × 21,734.52
  4. Step 4: Simplify right side
    66,108.08x = 2,155,016,780.14
  5. Step 5: Solve for x
    x = 2,155,016,780.14/66,108.08
  6. Step 6: Final answer
    x = 32,598.39

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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.