Home / 91,842.96-137,636.15-49,632.04

Finding the Fourth Proportional to 91,842.96, 137,636.15 and 49,632.04

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Solution

The fourth proportional to 91,842.96, 137,636.15 and 49,632.04 is: 74,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,842.96 : 137,636.15 = 49,632.04 : x
  2. Step 2: Convert to fraction form
    91,842.96/137,636.15 = 49,632.04/x
  3. Step 3: Cross multiply
    91,842.96x = 137,636.15 × 49,632.04
  4. Step 4: Simplify right side
    91,842.96x = 6,831,162,826.13
  5. Step 5: Solve for x
    x = 6,831,162,826.13/91,842.96
  6. Step 6: Final answer
    x = 74,378.73

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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.