Home / 66,135.04-99,177.80-26,670.64

Finding the Fourth Proportional to 66,135.04, 99,177.80 and 26,670.64

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Solution

The fourth proportional to 66,135.04, 99,177.80 and 26,670.64 is: 39,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135.04 : 99,177.80 = 26,670.64 : x
  2. Step 2: Convert to fraction form
    66,135.04/99,177.80 = 26,670.64/x
  3. Step 3: Cross multiply
    66,135.04x = 99,177.80 × 26,670.64
  4. Step 4: Simplify right side
    66,135.04x = 2,645,135,399.79
  5. Step 5: Solve for x
    x = 2,645,135,399.79/66,135.04
  6. Step 6: Final answer
    x = 39,995.97

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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.