Home / 101,617.43-140,228.06-55,676.25

Finding the Fourth Proportional to 101,617.43, 140,228.06 and 55,676.25

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Solution

The fourth proportional to 101,617.43, 140,228.06 and 55,676.25 is: 76,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,617.43 : 140,228.06 = 55,676.25 : x
  2. Step 2: Convert to fraction form
    101,617.43/140,228.06 = 55,676.25/x
  3. Step 3: Cross multiply
    101,617.43x = 140,228.06 × 55,676.25
  4. Step 4: Simplify right side
    101,617.43x = 7,807,372,247.19
  5. Step 5: Solve for x
    x = 7,807,372,247.19/101,617.43
  6. Step 6: Final answer
    x = 76,831.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.