Home / 80,741.24-111,411.08-48,469.02

Finding the Fourth Proportional to 80,741.24, 111,411.08 and 48,469.02

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Solution

The fourth proportional to 80,741.24, 111,411.08 and 48,469.02 is: 66,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741.24 : 111,411.08 = 48,469.02 : x
  2. Step 2: Convert to fraction form
    80,741.24/111,411.08 = 48,469.02/x
  3. Step 3: Cross multiply
    80,741.24x = 111,411.08 × 48,469.02
  4. Step 4: Simplify right side
    80,741.24x = 5,399,985,386.36
  5. Step 5: Solve for x
    x = 5,399,985,386.36/80,741.24
  6. Step 6: Final answer
    x = 66,880.14

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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.