Home / 109,927.90-165,001.20-53,831.35

Finding the Fourth Proportional to 109,927.90, 165,001.20 and 53,831.35

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Solution

The fourth proportional to 109,927.90, 165,001.20 and 53,831.35 is: 80,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,927.90 : 165,001.20 = 53,831.35 : x
  2. Step 2: Convert to fraction form
    109,927.90/165,001.20 = 53,831.35/x
  3. Step 3: Cross multiply
    109,927.90x = 165,001.20 × 53,831.35
  4. Step 4: Simplify right side
    109,927.90x = 8,882,237,347.62
  5. Step 5: Solve for x
    x = 8,882,237,347.62/109,927.90
  6. Step 6: Final answer
    x = 80,800.57

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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.