Home / 86,979.53-130,469.90-23,798.31

Finding the Fourth Proportional to 86,979.53, 130,469.90 and 23,798.31

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Solution

The fourth proportional to 86,979.53, 130,469.90 and 23,798.31 is: 35,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,979.53 : 130,469.90 = 23,798.31 : x
  2. Step 2: Convert to fraction form
    86,979.53/130,469.90 = 23,798.31/x
  3. Step 3: Cross multiply
    86,979.53x = 130,469.90 × 23,798.31
  4. Step 4: Simplify right side
    86,979.53x = 3,104,963,006.88
  5. Step 5: Solve for x
    x = 3,104,963,006.88/86,979.53
  6. Step 6: Final answer
    x = 35,697.63

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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.