Home / 111,778.13-167,714.58-52,612.49

Finding the Fourth Proportional to 111,778.13, 167,714.58 and 52,612.49

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Solution

The fourth proportional to 111,778.13, 167,714.58 and 52,612.49 is: 78,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778.13 : 167,714.58 = 52,612.49 : x
  2. Step 2: Convert to fraction form
    111,778.13/167,714.58 = 52,612.49/x
  3. Step 3: Cross multiply
    111,778.13x = 167,714.58 × 52,612.49
  4. Step 4: Simplify right side
    111,778.13x = 8,823,881,663.10
  5. Step 5: Solve for x
    x = 8,823,881,663.10/111,778.13
  6. Step 6: Final answer
    x = 78,941.04

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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.