Home / 92,836.38-128,116.89-50,397.60

Finding the Fourth Proportional to 92,836.38, 128,116.89 and 50,397.60

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Solution

The fourth proportional to 92,836.38, 128,116.89 and 50,397.60 is: 69,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.38 : 128,116.89 = 50,397.60 : x
  2. Step 2: Convert to fraction form
    92,836.38/128,116.89 = 50,397.60/x
  3. Step 3: Cross multiply
    92,836.38x = 128,116.89 × 50,397.60
  4. Step 4: Simplify right side
    92,836.38x = 6,456,783,775.46
  5. Step 5: Solve for x
    x = 6,456,783,775.46/92,836.38
  6. Step 6: Final answer
    x = 69,550.15

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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.