Home / 66,606.18-91,913.64-36,390.08

Finding the Fourth Proportional to 66,606.18, 91,913.64 and 36,390.08

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Solution

The fourth proportional to 66,606.18, 91,913.64 and 36,390.08 is: 50,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.18 : 91,913.64 = 36,390.08 : x
  2. Step 2: Convert to fraction form
    66,606.18/91,913.64 = 36,390.08/x
  3. Step 3: Cross multiply
    66,606.18x = 91,913.64 × 36,390.08
  4. Step 4: Simplify right side
    66,606.18x = 3,344,744,253.12
  5. Step 5: Solve for x
    x = 3,344,744,253.12/66,606.18
  6. Step 6: Final answer
    x = 50,216.73

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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.