Home / 92,013.76-126,979.01-51,727.60

Finding the Fourth Proportional to 92,013.76, 126,979.01 and 51,727.60

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Solution

The fourth proportional to 92,013.76, 126,979.01 and 51,727.60 is: 71,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,013.76 : 126,979.01 = 51,727.60 : x
  2. Step 2: Convert to fraction form
    92,013.76/126,979.01 = 51,727.60/x
  3. Step 3: Cross multiply
    92,013.76x = 126,979.01 × 51,727.60
  4. Step 4: Simplify right side
    92,013.76x = 6,568,319,437.68
  5. Step 5: Solve for x
    x = 6,568,319,437.68/92,013.76
  6. Step 6: Final answer
    x = 71,384.10

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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.