Home / 105,338.51-158,070.17-38,825.36

Finding the Fourth Proportional to 105,338.51, 158,070.17 and 38,825.36

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Solution

The fourth proportional to 105,338.51, 158,070.17 and 38,825.36 is: 58,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,338.51 : 158,070.17 = 38,825.36 : x
  2. Step 2: Convert to fraction form
    105,338.51/158,070.17 = 38,825.36/x
  3. Step 3: Cross multiply
    105,338.51x = 158,070.17 × 38,825.36
  4. Step 4: Simplify right side
    105,338.51x = 6,137,131,255.51
  5. Step 5: Solve for x
    x = 6,137,131,255.51/105,338.51
  6. Step 6: Final answer
    x = 58,261.04

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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.