Home / 79,082.19-109,136.16-45,095.81

Finding the Fourth Proportional to 79,082.19, 109,136.16 and 45,095.81

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Solution

The fourth proportional to 79,082.19, 109,136.16 and 45,095.81 is: 62,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.19 : 109,136.16 = 45,095.81 : x
  2. Step 2: Convert to fraction form
    79,082.19/109,136.16 = 45,095.81/x
  3. Step 3: Cross multiply
    79,082.19x = 109,136.16 × 45,095.81
  4. Step 4: Simplify right side
    79,082.19x = 4,921,582,989.81
  5. Step 5: Solve for x
    x = 4,921,582,989.81/79,082.19
  6. Step 6: Final answer
    x = 62,233.77

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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.