Home / 66,464.68-91,717.62-37,780.36

Finding the Fourth Proportional to 66,464.68, 91,717.62 and 37,780.36

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Solution

The fourth proportional to 66,464.68, 91,717.62 and 37,780.36 is: 52,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.68 : 91,717.62 = 37,780.36 : x
  2. Step 2: Convert to fraction form
    66,464.68/91,717.62 = 37,780.36/x
  3. Step 3: Cross multiply
    66,464.68x = 91,717.62 × 37,780.36
  4. Step 4: Simplify right side
    66,464.68x = 3,465,124,701.94
  5. Step 5: Solve for x
    x = 3,465,124,701.94/66,464.68
  6. Step 6: Final answer
    x = 52,134.83

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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.