Home / 113,853.40-170,725.39-53,831.86

Finding the Fourth Proportional to 113,853.40, 170,725.39 and 53,831.86

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Solution

The fourth proportional to 113,853.40, 170,725.39 and 53,831.86 is: 80,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,853.40 : 170,725.39 = 53,831.86 : x
  2. Step 2: Convert to fraction form
    113,853.40/170,725.39 = 53,831.86/x
  3. Step 3: Cross multiply
    113,853.40x = 170,725.39 × 53,831.86
  4. Step 4: Simplify right side
    113,853.40x = 9,190,464,731.53
  5. Step 5: Solve for x
    x = 9,190,464,731.53/113,853.40
  6. Step 6: Final answer
    x = 80,721.92

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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.