Home / 66,108.42-99,165.60-18,727.02

Finding the Fourth Proportional to 66,108.42, 99,165.60 and 18,727.02

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Solution

The fourth proportional to 66,108.42, 99,165.60 and 18,727.02 is: 28,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108.42 : 99,165.60 = 18,727.02 : x
  2. Step 2: Convert to fraction form
    66,108.42/99,165.60 = 18,727.02/x
  3. Step 3: Cross multiply
    66,108.42x = 99,165.60 × 18,727.02
  4. Step 4: Simplify right side
    66,108.42x = 1,857,076,174.51
  5. Step 5: Solve for x
    x = 1,857,076,174.51/66,108.42
  6. Step 6: Final answer
    x = 28,091.37

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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.