Home / 64,734.11-89,308.90-64,634.33

Finding the Fourth Proportional to 64,734.11, 89,308.90 and 64,634.33

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Solution

The fourth proportional to 64,734.11, 89,308.90 and 64,634.33 is: 89,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.11 : 89,308.90 = 64,634.33 : x
  2. Step 2: Convert to fraction form
    64,734.11/89,308.90 = 64,634.33/x
  3. Step 3: Cross multiply
    64,734.11x = 89,308.90 × 64,634.33
  4. Step 4: Simplify right side
    64,734.11x = 5,772,420,716.24
  5. Step 5: Solve for x
    x = 5,772,420,716.24/64,734.11
  6. Step 6: Final answer
    x = 89,171.23

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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.