Home / 113,862.38-170,897.72-57,741.21

Finding the Fourth Proportional to 113,862.38, 170,897.72 and 57,741.21

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Solution

The fourth proportional to 113,862.38, 170,897.72 and 57,741.21 is: 86,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,862.38 : 170,897.72 = 57,741.21 : x
  2. Step 2: Convert to fraction form
    113,862.38/170,897.72 = 57,741.21/x
  3. Step 3: Cross multiply
    113,862.38x = 170,897.72 × 57,741.21
  4. Step 4: Simplify right side
    113,862.38x = 9,867,840,850.34
  5. Step 5: Solve for x
    x = 9,867,840,850.34/113,862.38
  6. Step 6: Final answer
    x = 86,664.63

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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.