Home / 84,869.29-117,106.60-49,052.40

Finding the Fourth Proportional to 84,869.29, 117,106.60 and 49,052.40

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Solution

The fourth proportional to 84,869.29, 117,106.60 and 49,052.40 is: 67,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.29 : 117,106.60 = 49,052.40 : x
  2. Step 2: Convert to fraction form
    84,869.29/117,106.60 = 49,052.40/x
  3. Step 3: Cross multiply
    84,869.29x = 117,106.60 × 49,052.40
  4. Step 4: Simplify right side
    84,869.29x = 5,744,359,785.84
  5. Step 5: Solve for x
    x = 5,744,359,785.84/84,869.29
  6. Step 6: Final answer
    x = 67,684.79

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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.