Home / 73,638.37-110,354.56-39,831.38

Finding the Fourth Proportional to 73,638.37, 110,354.56 and 39,831.38

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Solution

The fourth proportional to 73,638.37, 110,354.56 and 39,831.38 is: 59,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,638.37 : 110,354.56 = 39,831.38 : x
  2. Step 2: Convert to fraction form
    73,638.37/110,354.56 = 39,831.38/x
  3. Step 3: Cross multiply
    73,638.37x = 110,354.56 × 39,831.38
  4. Step 4: Simplify right side
    73,638.37x = 4,395,573,663.16
  5. Step 5: Solve for x
    x = 4,395,573,663.16/73,638.37
  6. Step 6: Final answer
    x = 59,691.35

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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.