Home / 86,943.51-130,410.99-50,940.38

Finding the Fourth Proportional to 86,943.51, 130,410.99 and 50,940.38

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Solution

The fourth proportional to 86,943.51, 130,410.99 and 50,940.38 is: 76,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943.51 : 130,410.99 = 50,940.38 : x
  2. Step 2: Convert to fraction form
    86,943.51/130,410.99 = 50,940.38/x
  3. Step 3: Cross multiply
    86,943.51x = 130,410.99 × 50,940.38
  4. Step 4: Simplify right side
    86,943.51x = 6,643,185,386.78
  5. Step 5: Solve for x
    x = 6,643,185,386.78/86,943.51
  6. Step 6: Final answer
    x = 76,408.07

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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.