Home / 104,387.22-156,606.75-30,515.22

Finding the Fourth Proportional to 104,387.22, 156,606.75 and 30,515.22

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Solution

The fourth proportional to 104,387.22, 156,606.75 and 30,515.22 is: 45,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,387.22 : 156,606.75 = 30,515.22 : x
  2. Step 2: Convert to fraction form
    104,387.22/156,606.75 = 30,515.22/x
  3. Step 3: Cross multiply
    104,387.22x = 156,606.75 × 30,515.22
  4. Step 4: Simplify right side
    104,387.22x = 4,778,889,429.74
  5. Step 5: Solve for x
    x = 4,778,889,429.74/104,387.22
  6. Step 6: Final answer
    x = 45,780.41

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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.