Home / 113,141.51-169,453.92-54,018.70

Finding the Fourth Proportional to 113,141.51, 169,453.92 and 54,018.70

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Solution

The fourth proportional to 113,141.51, 169,453.92 and 54,018.70 is: 80,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,141.51 : 169,453.92 = 54,018.70 : x
  2. Step 2: Convert to fraction form
    113,141.51/169,453.92 = 54,018.70/x
  3. Step 3: Cross multiply
    113,141.51x = 169,453.92 × 54,018.70
  4. Step 4: Simplify right side
    113,141.51x = 9,153,680,247.24
  5. Step 5: Solve for x
    x = 9,153,680,247.24/113,141.51
  6. Step 6: Final answer
    x = 80,904.70

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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.