Home / 108,751.14-163,128.56-29,864.84

Finding the Fourth Proportional to 108,751.14, 163,128.56 and 29,864.84

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Solution

The fourth proportional to 108,751.14, 163,128.56 and 29,864.84 is: 44,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,751.14 : 163,128.56 = 29,864.84 : x
  2. Step 2: Convert to fraction form
    108,751.14/163,128.56 = 29,864.84/x
  3. Step 3: Cross multiply
    108,751.14x = 163,128.56 × 29,864.84
  4. Step 4: Simplify right side
    108,751.14x = 4,871,807,378.86
  5. Step 5: Solve for x
    x = 4,871,807,378.86/108,751.14
  6. Step 6: Final answer
    x = 44,797.76

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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.