Home / 74,049.84-102,082.47-52,792.20

Finding the Fourth Proportional to 74,049.84, 102,082.47 and 52,792.20

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Solution

The fourth proportional to 74,049.84, 102,082.47 and 52,792.20 is: 72,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.84 : 102,082.47 = 52,792.20 : x
  2. Step 2: Convert to fraction form
    74,049.84/102,082.47 = 52,792.20/x
  3. Step 3: Cross multiply
    74,049.84x = 102,082.47 × 52,792.20
  4. Step 4: Simplify right side
    74,049.84x = 5,389,158,172.73
  5. Step 5: Solve for x
    x = 5,389,158,172.73/74,049.84
  6. Step 6: Final answer
    x = 72,777.45

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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.