Home / 90,167.73-135,298.76-36,899.25

Finding the Fourth Proportional to 90,167.73, 135,298.76 and 36,899.25

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Solution

The fourth proportional to 90,167.73, 135,298.76 and 36,899.25 is: 55,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,167.73 : 135,298.76 = 36,899.25 : x
  2. Step 2: Convert to fraction form
    90,167.73/135,298.76 = 36,899.25/x
  3. Step 3: Cross multiply
    90,167.73x = 135,298.76 × 36,899.25
  4. Step 4: Simplify right side
    90,167.73x = 4,992,422,078.06
  5. Step 5: Solve for x
    x = 4,992,422,078.06/90,167.73
  6. Step 6: Final answer
    x = 55,368.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.