Home / 107,547.21-161,215.52-60,185.43

Finding the Fourth Proportional to 107,547.21, 161,215.52 and 60,185.43

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Solution

The fourth proportional to 107,547.21, 161,215.52 and 60,185.43 is: 90,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,547.21 : 161,215.52 = 60,185.43 : x
  2. Step 2: Convert to fraction form
    107,547.21/161,215.52 = 60,185.43/x
  3. Step 3: Cross multiply
    107,547.21x = 161,215.52 × 60,185.43
  4. Step 4: Simplify right side
    107,547.21x = 9,702,825,092.95
  5. Step 5: Solve for x
    x = 9,702,825,092.95/107,547.21
  6. Step 6: Final answer
    x = 90,219.22

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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.