Home / 105,212.43-157,857.53-38,696.04

Finding the Fourth Proportional to 105,212.43, 157,857.53 and 38,696.04

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Solution

The fourth proportional to 105,212.43, 157,857.53 and 38,696.04 is: 58,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,212.43 : 157,857.53 = 38,696.04 : x
  2. Step 2: Convert to fraction form
    105,212.43/157,857.53 = 38,696.04/x
  3. Step 3: Cross multiply
    105,212.43x = 157,857.53 × 38,696.04
  4. Step 4: Simplify right side
    105,212.43x = 6,108,461,101.70
  5. Step 5: Solve for x
    x = 6,108,461,101.70/105,212.43
  6. Step 6: Final answer
    x = 58,058.36

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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.