Home / 66,067.02-99,091.35-21,688.74

Finding the Fourth Proportional to 66,067.02, 99,091.35 and 21,688.74

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Solution

The fourth proportional to 66,067.02, 99,091.35 and 21,688.74 is: 32,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.02 : 99,091.35 = 21,688.74 : x
  2. Step 2: Convert to fraction form
    66,067.02/99,091.35 = 21,688.74/x
  3. Step 3: Cross multiply
    66,067.02x = 99,091.35 × 21,688.74
  4. Step 4: Simplify right side
    66,067.02x = 2,149,166,526.40
  5. Step 5: Solve for x
    x = 2,149,166,526.40/66,067.02
  6. Step 6: Final answer
    x = 32,530.10

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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.