Home / 66,145.26-99,274.60-26,730.66

Finding the Fourth Proportional to 66,145.26, 99,274.60 and 26,730.66

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Solution

The fourth proportional to 66,145.26, 99,274.60 and 26,730.66 is: 40,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,145.26 : 99,274.60 = 26,730.66 : x
  2. Step 2: Convert to fraction form
    66,145.26/99,274.60 = 26,730.66/x
  3. Step 3: Cross multiply
    66,145.26x = 99,274.60 × 26,730.66
  4. Step 4: Simplify right side
    66,145.26x = 2,653,675,579.24
  5. Step 5: Solve for x
    x = 2,653,675,579.24/66,145.26
  6. Step 6: Final answer
    x = 40,118.91

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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.