Home / 107,570.42-161,305.51-40,968.98

Finding the Fourth Proportional to 107,570.42, 161,305.51 and 40,968.98

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Solution

The fourth proportional to 107,570.42, 161,305.51 and 40,968.98 is: 61,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,570.42 : 161,305.51 = 40,968.98 : x
  2. Step 2: Convert to fraction form
    107,570.42/161,305.51 = 40,968.98/x
  3. Step 3: Cross multiply
    107,570.42x = 161,305.51 × 40,968.98
  4. Step 4: Simplify right side
    107,570.42x = 6,608,522,213.08
  5. Step 5: Solve for x
    x = 6,608,522,213.08/107,570.42
  6. Step 6: Final answer
    x = 61,434.38

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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.