Home / 105,822.90-158,731.11-35,696.34

Finding the Fourth Proportional to 105,822.90, 158,731.11 and 35,696.34

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Solution

The fourth proportional to 105,822.90, 158,731.11 and 35,696.34 is: 53,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,822.90 : 158,731.11 = 35,696.34 : x
  2. Step 2: Convert to fraction form
    105,822.90/158,731.11 = 35,696.34/x
  3. Step 3: Cross multiply
    105,822.90x = 158,731.11 × 35,696.34
  4. Step 4: Simplify right side
    105,822.90x = 5,666,119,671.14
  5. Step 5: Solve for x
    x = 5,666,119,671.14/105,822.90
  6. Step 6: Final answer
    x = 53,543.42

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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.