Home / 91,791.12-137,464.35-46,693.83

Finding the Fourth Proportional to 91,791.12, 137,464.35 and 46,693.83

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Solution

The fourth proportional to 91,791.12, 137,464.35 and 46,693.83 is: 69,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,791.12 : 137,464.35 = 46,693.83 : x
  2. Step 2: Convert to fraction form
    91,791.12/137,464.35 = 46,693.83/x
  3. Step 3: Cross multiply
    91,791.12x = 137,464.35 × 46,693.83
  4. Step 4: Simplify right side
    91,791.12x = 6,418,736,989.96
  5. Step 5: Solve for x
    x = 6,418,736,989.96/91,791.12
  6. Step 6: Final answer
    x = 69,927.65

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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.