Home / 92,877.38-128,169.66-50,436.22

Finding the Fourth Proportional to 92,877.38, 128,169.66 and 50,436.22

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Solution

The fourth proportional to 92,877.38, 128,169.66 and 50,436.22 is: 69,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.38 : 128,169.66 = 50,436.22 : x
  2. Step 2: Convert to fraction form
    92,877.38/128,169.66 = 50,436.22/x
  3. Step 3: Cross multiply
    92,877.38x = 128,169.66 × 50,436.22
  4. Step 4: Simplify right side
    92,877.38x = 6,464,393,169.09
  5. Step 5: Solve for x
    x = 6,464,393,169.09/92,877.38
  6. Step 6: Final answer
    x = 69,601.37

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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.