Home / 73,142.08-109,690.62-38,062.60

Finding the Fourth Proportional to 73,142.08, 109,690.62 and 38,062.60

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Solution

The fourth proportional to 73,142.08, 109,690.62 and 38,062.60 is: 57,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.08 : 109,690.62 = 38,062.60 : x
  2. Step 2: Convert to fraction form
    73,142.08/109,690.62 = 38,062.60/x
  3. Step 3: Cross multiply
    73,142.08x = 109,690.62 × 38,062.60
  4. Step 4: Simplify right side
    73,142.08x = 4,175,110,192.81
  5. Step 5: Solve for x
    x = 4,175,110,192.81/73,142.08
  6. Step 6: Final answer
    x = 57,082.19

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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.