Home / 57,923.71-86,736.62-40,129.02

Finding the Fourth Proportional to 57,923.71, 86,736.62 and 40,129.02

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Solution

The fourth proportional to 57,923.71, 86,736.62 and 40,129.02 is: 60,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,923.71 : 86,736.62 = 40,129.02 : x
  2. Step 2: Convert to fraction form
    57,923.71/86,736.62 = 40,129.02/x
  3. Step 3: Cross multiply
    57,923.71x = 86,736.62 × 40,129.02
  4. Step 4: Simplify right side
    57,923.71x = 3,480,655,659.03
  5. Step 5: Solve for x
    x = 3,480,655,659.03/57,923.71
  6. Step 6: Final answer
    x = 60,090.35

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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.