Home / 107,056.56-160,538.28-57,125.60

Finding the Fourth Proportional to 107,056.56, 160,538.28 and 57,125.60

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Solution

The fourth proportional to 107,056.56, 160,538.28 and 57,125.60 is: 85,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,056.56 : 160,538.28 = 57,125.60 : x
  2. Step 2: Convert to fraction form
    107,056.56/160,538.28 = 57,125.60/x
  3. Step 3: Cross multiply
    107,056.56x = 160,538.28 × 57,125.60
  4. Step 4: Simplify right side
    107,056.56x = 9,170,845,567.97
  5. Step 5: Solve for x
    x = 9,170,845,567.97/107,056.56
  6. Step 6: Final answer
    x = 85,663.56

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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.