Home / 92,815.14-128,084.97-50,373.66

Finding the Fourth Proportional to 92,815.14, 128,084.97 and 50,373.66

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Solution

The fourth proportional to 92,815.14, 128,084.97 and 50,373.66 is: 69,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.14 : 128,084.97 = 50,373.66 : x
  2. Step 2: Convert to fraction form
    92,815.14/128,084.97 = 50,373.66/x
  3. Step 3: Cross multiply
    92,815.14x = 128,084.97 × 50,373.66
  4. Step 4: Simplify right side
    92,815.14x = 6,452,108,729.89
  5. Step 5: Solve for x
    x = 6,452,108,729.89/92,815.14
  6. Step 6: Final answer
    x = 69,515.69

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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.