Home / 105,986.20-158,809.20-56,001.10

Finding the Fourth Proportional to 105,986.20, 158,809.20 and 56,001.10

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Solution

The fourth proportional to 105,986.20, 158,809.20 and 56,001.10 is: 83,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.20 : 158,809.20 = 56,001.10 : x
  2. Step 2: Convert to fraction form
    105,986.20/158,809.20 = 56,001.10/x
  3. Step 3: Cross multiply
    105,986.20x = 158,809.20 × 56,001.10
  4. Step 4: Simplify right side
    105,986.20x = 8,893,489,890.12
  5. Step 5: Solve for x
    x = 8,893,489,890.12/105,986.20
  6. Step 6: Final answer
    x = 83,911.77

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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.