Home / 92,815.11-128,084.94-50,373.65

Finding the Fourth Proportional to 92,815.11, 128,084.94 and 50,373.65

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Solution

The fourth proportional to 92,815.11, 128,084.94 and 50,373.65 is: 69,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.11 : 128,084.94 = 50,373.65 : x
  2. Step 2: Convert to fraction form
    92,815.11/128,084.94 = 50,373.65/x
  3. Step 3: Cross multiply
    92,815.11x = 128,084.94 × 50,373.65
  4. Step 4: Simplify right side
    92,815.11x = 6,452,106,258.04
  5. Step 5: Solve for x
    x = 6,452,106,258.04/92,815.11
  6. Step 6: Final answer
    x = 69,515.69

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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.