Home / 82,864.57-114,353.10-45,138.82

Finding the Fourth Proportional to 82,864.57, 114,353.10 and 45,138.82

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Solution

The fourth proportional to 82,864.57, 114,353.10 and 45,138.82 is: 62,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,864.57 : 114,353.10 = 45,138.82 : x
  2. Step 2: Convert to fraction form
    82,864.57/114,353.10 = 45,138.82/x
  3. Step 3: Cross multiply
    82,864.57x = 114,353.10 × 45,138.82
  4. Step 4: Simplify right side
    82,864.57x = 5,161,763,997.34
  5. Step 5: Solve for x
    x = 5,161,763,997.34/82,864.57
  6. Step 6: Final answer
    x = 62,291.57

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1.5x scale

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.