Home / 107,062.56-160,547.28-57,131.60

Finding the Fourth Proportional to 107,062.56, 160,547.28 and 57,131.60

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Solution

The fourth proportional to 107,062.56, 160,547.28 and 57,131.60 is: 85,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,062.56 : 160,547.28 = 57,131.60 : x
  2. Step 2: Convert to fraction form
    107,062.56/160,547.28 = 57,131.60/x
  3. Step 3: Cross multiply
    107,062.56x = 160,547.28 × 57,131.60
  4. Step 4: Simplify right side
    107,062.56x = 9,172,322,982.05
  5. Step 5: Solve for x
    x = 9,172,322,982.05/107,062.56
  6. Step 6: Final answer
    x = 85,672.55

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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.