Home / 107,642.25-161,504.40-48,464.31

Finding the Fourth Proportional to 107,642.25, 161,504.40 and 48,464.31

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Solution

The fourth proportional to 107,642.25, 161,504.40 and 48,464.31 is: 72,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,642.25 : 161,504.40 = 48,464.31 : x
  2. Step 2: Convert to fraction form
    107,642.25/161,504.40 = 48,464.31/x
  3. Step 3: Cross multiply
    107,642.25x = 161,504.40 × 48,464.31
  4. Step 4: Simplify right side
    107,642.25x = 7,827,199,307.96
  5. Step 5: Solve for x
    x = 7,827,199,307.96/107,642.25
  6. Step 6: Final answer
    x = 72,714.94

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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.