Home / 90,840.08-125,365.19-50,553.71

Finding the Fourth Proportional to 90,840.08, 125,365.19 and 50,553.71

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Solution

The fourth proportional to 90,840.08, 125,365.19 and 50,553.71 is: 69,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,840.08 : 125,365.19 = 50,553.71 : x
  2. Step 2: Convert to fraction form
    90,840.08/125,365.19 = 50,553.71/x
  3. Step 3: Cross multiply
    90,840.08x = 125,365.19 × 50,553.71
  4. Step 4: Simplify right side
    90,840.08x = 6,337,675,899.15
  5. Step 5: Solve for x
    x = 6,337,675,899.15/90,840.08
  6. Step 6: Final answer
    x = 69,767.40

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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.