Home / 91,586.05-137,418.60-49,457.74

Finding the Fourth Proportional to 91,586.05, 137,418.60 and 49,457.74

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Solution

The fourth proportional to 91,586.05, 137,418.60 and 49,457.74 is: 74,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,586.05 : 137,418.60 = 49,457.74 : x
  2. Step 2: Convert to fraction form
    91,586.05/137,418.60 = 49,457.74/x
  3. Step 3: Cross multiply
    91,586.05x = 137,418.60 × 49,457.74
  4. Step 4: Simplify right side
    91,586.05x = 6,796,413,389.96
  5. Step 5: Solve for x
    x = 6,796,413,389.96/91,586.05
  6. Step 6: Final answer
    x = 74,207.95

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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.