Home / 64,982.48-89,675.10-38,119.82

Finding the Fourth Proportional to 64,982.48, 89,675.10 and 38,119.82

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Solution

The fourth proportional to 64,982.48, 89,675.10 and 38,119.82 is: 52,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,982.48 : 89,675.10 = 38,119.82 : x
  2. Step 2: Convert to fraction form
    64,982.48/89,675.10 = 38,119.82/x
  3. Step 3: Cross multiply
    64,982.48x = 89,675.10 × 38,119.82
  4. Step 4: Simplify right side
    64,982.48x = 3,418,398,222.11
  5. Step 5: Solve for x
    x = 3,418,398,222.11/64,982.48
  6. Step 6: Final answer
    x = 52,604.92

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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.