Home / 111,528.64-167,190.28-48,309.04

Finding the Fourth Proportional to 111,528.64, 167,190.28 and 48,309.04

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Solution

The fourth proportional to 111,528.64, 167,190.28 and 48,309.04 is: 72,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,528.64 : 167,190.28 = 48,309.04 : x
  2. Step 2: Convert to fraction form
    111,528.64/167,190.28 = 48,309.04/x
  3. Step 3: Cross multiply
    111,528.64x = 167,190.28 × 48,309.04
  4. Step 4: Simplify right side
    111,528.64x = 8,076,801,924.13
  5. Step 5: Solve for x
    x = 8,076,801,924.13/111,528.64
  6. Step 6: Final answer
    x = 72,419.08

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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.