Home / 84,678.90-116,872.11-48,863.94

Finding the Fourth Proportional to 84,678.90, 116,872.11 and 48,863.94

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Solution

The fourth proportional to 84,678.90, 116,872.11 and 48,863.94 is: 67,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,678.90 : 116,872.11 = 48,863.94 : x
  2. Step 2: Convert to fraction form
    84,678.90/116,872.11 = 48,863.94/x
  3. Step 3: Cross multiply
    84,678.90x = 116,872.11 × 48,863.94
  4. Step 4: Simplify right side
    84,678.90x = 5,710,831,770.71
  5. Step 5: Solve for x
    x = 5,710,831,770.71/84,678.90
  6. Step 6: Final answer
    x = 67,441.02

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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.