Home / 64,739.85-97,115.10-17,992.72

Finding the Fourth Proportional to 64,739.85, 97,115.10 and 17,992.72

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Solution

The fourth proportional to 64,739.85, 97,115.10 and 17,992.72 is: 26,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.85 : 97,115.10 = 17,992.72 : x
  2. Step 2: Convert to fraction form
    64,739.85/97,115.10 = 17,992.72/x
  3. Step 3: Cross multiply
    64,739.85x = 97,115.10 × 17,992.72
  4. Step 4: Simplify right side
    64,739.85x = 1,747,364,802.07
  5. Step 5: Solve for x
    x = 1,747,364,802.07/64,739.85
  6. Step 6: Final answer
    x = 26,990.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.