Home / 90,735.48-125,218.17-50,460.66

Finding the Fourth Proportional to 90,735.48, 125,218.17 and 50,460.66

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Solution

The fourth proportional to 90,735.48, 125,218.17 and 50,460.66 is: 69,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.48 : 125,218.17 = 50,460.66 : x
  2. Step 2: Convert to fraction form
    90,735.48/125,218.17 = 50,460.66/x
  3. Step 3: Cross multiply
    90,735.48x = 125,218.17 × 50,460.66
  4. Step 4: Simplify right side
    90,735.48x = 6,318,591,502.19
  5. Step 5: Solve for x
    x = 6,318,591,502.19/90,735.48
  6. Step 6: Final answer
    x = 69,637.49

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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.