Home / 105,942.24-158,798.88-38,429.28

Finding the Fourth Proportional to 105,942.24, 158,798.88 and 38,429.28

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Solution

The fourth proportional to 105,942.24, 158,798.88 and 38,429.28 is: 57,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,942.24 : 158,798.88 = 38,429.28 : x
  2. Step 2: Convert to fraction form
    105,942.24/158,798.88 = 38,429.28/x
  3. Step 3: Cross multiply
    105,942.24x = 158,798.88 × 38,429.28
  4. Step 4: Simplify right side
    105,942.24x = 6,102,526,623.21
  5. Step 5: Solve for x
    x = 6,102,526,623.21/105,942.24
  6. Step 6: Final answer
    x = 57,602.39

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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.