Home / 105,112.58-157,575.09-38,537.17

Finding the Fourth Proportional to 105,112.58, 157,575.09 and 38,537.17

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Solution

The fourth proportional to 105,112.58, 157,575.09 and 38,537.17 is: 57,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,112.58 : 157,575.09 = 38,537.17 : x
  2. Step 2: Convert to fraction form
    105,112.58/157,575.09 = 38,537.17/x
  3. Step 3: Cross multiply
    105,112.58x = 157,575.09 × 38,537.17
  4. Step 4: Simplify right side
    105,112.58x = 6,072,498,031.10
  5. Step 5: Solve for x
    x = 6,072,498,031.10/105,112.58
  6. Step 6: Final answer
    x = 57,771.37

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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.