Home / 89,020-122,847.87-48,734.11

Finding the Fourth Proportional to 89,020, 122,847.87 and 48,734.11

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Solution

The fourth proportional to 89,020, 122,847.87 and 48,734.11 is: 67,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020 : 122,847.87 = 48,734.11 : x
  2. Step 2: Convert to fraction form
    89,020/122,847.87 = 48,734.11/x
  3. Step 3: Cross multiply
    89,020x = 122,847.87 × 48,734.11
  4. Step 4: Simplify right side
    89,020x = 5,986,881,609.85
  5. Step 5: Solve for x
    x = 5,986,881,609.85/89,020
  6. Step 6: Final answer
    x = 67,253.22

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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.