Home / 64,983.20-97,474.80-29,991.20

Finding the Fourth Proportional to 64,983.20, 97,474.80 and 29,991.20

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Solution

The fourth proportional to 64,983.20, 97,474.80 and 29,991.20 is: 44,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.20 : 97,474.80 = 29,991.20 : x
  2. Step 2: Convert to fraction form
    64,983.20/97,474.80 = 29,991.20/x
  3. Step 3: Cross multiply
    64,983.20x = 97,474.80 × 29,991.20
  4. Step 4: Simplify right side
    64,983.20x = 2,923,386,221.76
  5. Step 5: Solve for x
    x = 2,923,386,221.76/64,983.20
  6. Step 6: Final answer
    x = 44,986.80

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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.