Home / 103,982.12-156,031.50-41,657.48

Finding the Fourth Proportional to 103,982.12, 156,031.50 and 41,657.48

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Solution

The fourth proportional to 103,982.12, 156,031.50 and 41,657.48 is: 62,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982.12 : 156,031.50 = 41,657.48 : x
  2. Step 2: Convert to fraction form
    103,982.12/156,031.50 = 41,657.48/x
  3. Step 3: Cross multiply
    103,982.12x = 156,031.50 × 41,657.48
  4. Step 4: Simplify right side
    103,982.12x = 6,499,879,090.62
  5. Step 5: Solve for x
    x = 6,499,879,090.62/103,982.12
  6. Step 6: Final answer
    x = 62,509.58

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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.