Home / 64,979.01-89,643.92-43,721.37

Finding the Fourth Proportional to 64,979.01, 89,643.92 and 43,721.37

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Solution

The fourth proportional to 64,979.01, 89,643.92 and 43,721.37 is: 60,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.01 : 89,643.92 = 43,721.37 : x
  2. Step 2: Convert to fraction form
    64,979.01/89,643.92 = 43,721.37/x
  3. Step 3: Cross multiply
    64,979.01x = 89,643.92 × 43,721.37
  4. Step 4: Simplify right side
    64,979.01x = 3,919,354,775.96
  5. Step 5: Solve for x
    x = 3,919,354,775.96/64,979.01
  6. Step 6: Final answer
    x = 60,317.24

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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.