Home / 111,081.16-166,693.02-40,961.08

Finding the Fourth Proportional to 111,081.16, 166,693.02 and 40,961.08

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Solution

The fourth proportional to 111,081.16, 166,693.02 and 40,961.08 is: 61,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081.16 : 166,693.02 = 40,961.08 : x
  2. Step 2: Convert to fraction form
    111,081.16/166,693.02 = 40,961.08/x
  3. Step 3: Cross multiply
    111,081.16x = 166,693.02 × 40,961.08
  4. Step 4: Simplify right side
    111,081.16x = 6,827,926,127.66
  5. Step 5: Solve for x
    x = 6,827,926,127.66/111,081.16
  6. Step 6: Final answer
    x = 61,467.90

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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.