Home / 90,887.38-125,424.29-50,600.09

Finding the Fourth Proportional to 90,887.38, 125,424.29 and 50,600.09

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Solution

The fourth proportional to 90,887.38, 125,424.29 and 50,600.09 is: 69,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887.38 : 125,424.29 = 50,600.09 : x
  2. Step 2: Convert to fraction form
    90,887.38/125,424.29 = 50,600.09/x
  3. Step 3: Cross multiply
    90,887.38x = 125,424.29 × 50,600.09
  4. Step 4: Simplify right side
    90,887.38x = 6,346,480,802.25
  5. Step 5: Solve for x
    x = 6,346,480,802.25/90,887.38
  6. Step 6: Final answer
    x = 69,827.97

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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.