Home / 91,548.58-137,191.64-52,022.20

Finding the Fourth Proportional to 91,548.58, 137,191.64 and 52,022.20

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Solution

The fourth proportional to 91,548.58, 137,191.64 and 52,022.20 is: 77,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,548.58 : 137,191.64 = 52,022.20 : x
  2. Step 2: Convert to fraction form
    91,548.58/137,191.64 = 52,022.20/x
  3. Step 3: Cross multiply
    91,548.58x = 137,191.64 × 52,022.20
  4. Step 4: Simplify right side
    91,548.58x = 7,137,010,934.41
  5. Step 5: Solve for x
    x = 7,137,010,934.41/91,548.58
  6. Step 6: Final answer
    x = 77,958.73

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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.