Home / 64,979.22-89,671.68-38,122.25

Finding the Fourth Proportional to 64,979.22, 89,671.68 and 38,122.25

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Solution

The fourth proportional to 64,979.22, 89,671.68 and 38,122.25 is: 52,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.22 : 89,671.68 = 38,122.25 : x
  2. Step 2: Convert to fraction form
    64,979.22/89,671.68 = 38,122.25/x
  3. Step 3: Cross multiply
    64,979.22x = 89,671.68 × 38,122.25
  4. Step 4: Simplify right side
    64,979.22x = 3,418,486,427.06
  5. Step 5: Solve for x
    x = 3,418,486,427.06/64,979.22
  6. Step 6: Final answer
    x = 52,608.92

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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.