Home / 86,682.02-130,040.86-39,274.34

Finding the Fourth Proportional to 86,682.02, 130,040.86 and 39,274.34

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Solution

The fourth proportional to 86,682.02, 130,040.86 and 39,274.34 is: 58,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,682.02 : 130,040.86 = 39,274.34 : x
  2. Step 2: Convert to fraction form
    86,682.02/130,040.86 = 39,274.34/x
  3. Step 3: Cross multiply
    86,682.02x = 130,040.86 × 39,274.34
  4. Step 4: Simplify right side
    86,682.02x = 5,107,268,949.53
  5. Step 5: Solve for x
    x = 5,107,268,949.53/86,682.02
  6. Step 6: Final answer
    x = 58,919.59

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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.