Home / 66,360.52-91,578.06-36,145.96

Finding the Fourth Proportional to 66,360.52, 91,578.06 and 36,145.96

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Solution

The fourth proportional to 66,360.52, 91,578.06 and 36,145.96 is: 49,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.52 : 91,578.06 = 36,145.96 : x
  2. Step 2: Convert to fraction form
    66,360.52/91,578.06 = 36,145.96/x
  3. Step 3: Cross multiply
    66,360.52x = 91,578.06 × 36,145.96
  4. Step 4: Simplify right side
    66,360.52x = 3,310,176,893.64
  5. Step 5: Solve for x
    x = 3,310,176,893.64/66,360.52
  6. Step 6: Final answer
    x = 49,881.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.