Home / 91,646.93-137,384.19-49,463.79

Finding the Fourth Proportional to 91,646.93, 137,384.19 and 49,463.79

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Solution

The fourth proportional to 91,646.93, 137,384.19 and 49,463.79 is: 74,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,646.93 : 137,384.19 = 49,463.79 : x
  2. Step 2: Convert to fraction form
    91,646.93/137,384.19 = 49,463.79/x
  3. Step 3: Cross multiply
    91,646.93x = 137,384.19 × 49,463.79
  4. Step 4: Simplify right side
    91,646.93x = 6,795,542,723.48
  5. Step 5: Solve for x
    x = 6,795,542,723.48/91,646.93
  6. Step 6: Final answer
    x = 74,149.16

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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.