Home / 66,434.52-99,666.30-22,067.40

Finding the Fourth Proportional to 66,434.52, 99,666.30 and 22,067.40

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Solution

The fourth proportional to 66,434.52, 99,666.30 and 22,067.40 is: 33,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.52 : 99,666.30 = 22,067.40 : x
  2. Step 2: Convert to fraction form
    66,434.52/99,666.30 = 22,067.40/x
  3. Step 3: Cross multiply
    66,434.52x = 99,666.30 × 22,067.40
  4. Step 4: Simplify right side
    66,434.52x = 2,199,376,108.62
  5. Step 5: Solve for x
    x = 2,199,376,108.62/66,434.52
  6. Step 6: Final answer
    x = 33,105.92

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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.