Home / 113,939.14-157,245.20-62,956.32

Finding the Fourth Proportional to 113,939.14, 157,245.20 and 62,956.32

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Solution

The fourth proportional to 113,939.14, 157,245.20 and 62,956.32 is: 86,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,939.14 : 157,245.20 = 62,956.32 : x
  2. Step 2: Convert to fraction form
    113,939.14/157,245.20 = 62,956.32/x
  3. Step 3: Cross multiply
    113,939.14x = 157,245.20 × 62,956.32
  4. Step 4: Simplify right side
    113,939.14x = 9,899,579,129.66
  5. Step 5: Solve for x
    x = 9,899,579,129.66/113,939.14
  6. Step 6: Final answer
    x = 86,884.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.