Home / 89,942.46-124,117.38-49,655.40

Finding the Fourth Proportional to 89,942.46, 124,117.38 and 49,655.40

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Solution

The fourth proportional to 89,942.46, 124,117.38 and 49,655.40 is: 68,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.46 : 124,117.38 = 49,655.40 : x
  2. Step 2: Convert to fraction form
    89,942.46/124,117.38 = 49,655.40/x
  3. Step 3: Cross multiply
    89,942.46x = 124,117.38 × 49,655.40
  4. Step 4: Simplify right side
    89,942.46x = 6,163,098,150.85
  5. Step 5: Solve for x
    x = 6,163,098,150.85/89,942.46
  6. Step 6: Final answer
    x = 68,522.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.