Home / 84,864.32-117,099.72-49,047.40

Finding the Fourth Proportional to 84,864.32, 117,099.72 and 49,047.40

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Solution

The fourth proportional to 84,864.32, 117,099.72 and 49,047.40 is: 67,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.32 : 117,099.72 = 49,047.40 : x
  2. Step 2: Convert to fraction form
    84,864.32/117,099.72 = 49,047.40/x
  3. Step 3: Cross multiply
    84,864.32x = 117,099.72 × 49,047.40
  4. Step 4: Simplify right side
    84,864.32x = 5,743,436,806.73
  5. Step 5: Solve for x
    x = 5,743,436,806.73/84,864.32
  6. Step 6: Final answer
    x = 67,677.87

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1.5x scale

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.