Home / 90,765.49-125,259.57-50,480.95

Finding the Fourth Proportional to 90,765.49, 125,259.57 and 50,480.95

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Solution

The fourth proportional to 90,765.49, 125,259.57 and 50,480.95 is: 69,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,765.49 : 125,259.57 = 50,480.95 : x
  2. Step 2: Convert to fraction form
    90,765.49/125,259.57 = 50,480.95/x
  3. Step 3: Cross multiply
    90,765.49x = 125,259.57 × 50,480.95
  4. Step 4: Simplify right side
    90,765.49x = 6,323,222,090.19
  5. Step 5: Solve for x
    x = 6,323,222,090.19/90,765.49
  6. Step 6: Final answer
    x = 69,665.49

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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.