Home / 82,897.62-114,398.64-45,172.14

Finding the Fourth Proportional to 82,897.62, 114,398.64 and 45,172.14

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Solution

The fourth proportional to 82,897.62, 114,398.64 and 45,172.14 is: 62,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.62 : 114,398.64 = 45,172.14 : x
  2. Step 2: Convert to fraction form
    82,897.62/114,398.64 = 45,172.14/x
  3. Step 3: Cross multiply
    82,897.62x = 114,398.64 × 45,172.14
  4. Step 4: Simplify right side
    82,897.62x = 5,167,631,381.89
  5. Step 5: Solve for x
    x = 5,167,631,381.89/82,897.62
  6. Step 6: Final answer
    x = 62,337.51

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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.