Home / 64,118.12-88,507.70-57,391.88

Finding the Fourth Proportional to 64,118.12, 88,507.70 and 57,391.88

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Solution

The fourth proportional to 64,118.12, 88,507.70 and 57,391.88 is: 79,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,118.12 : 88,507.70 = 57,391.88 : x
  2. Step 2: Convert to fraction form
    64,118.12/88,507.70 = 57,391.88/x
  3. Step 3: Cross multiply
    64,118.12x = 88,507.70 × 57,391.88
  4. Step 4: Simplify right side
    64,118.12x = 5,079,623,297.48
  5. Step 5: Solve for x
    x = 5,079,623,297.48/64,118.12
  6. Step 6: Final answer
    x = 79,222.90

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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.