Home / 110,831.80-166,215.30-39,746.20

Finding the Fourth Proportional to 110,831.80, 166,215.30 and 39,746.20

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Solution

The fourth proportional to 110,831.80, 166,215.30 and 39,746.20 is: 59,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,831.80 : 166,215.30 = 39,746.20 : x
  2. Step 2: Convert to fraction form
    110,831.80/166,215.30 = 39,746.20/x
  3. Step 3: Cross multiply
    110,831.80x = 166,215.30 × 39,746.20
  4. Step 4: Simplify right side
    110,831.80x = 6,606,426,556.86
  5. Step 5: Solve for x
    x = 6,606,426,556.86/110,831.80
  6. Step 6: Final answer
    x = 59,607.68

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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.