Home / 82,890.77-114,389.28-45,165.02

Finding the Fourth Proportional to 82,890.77, 114,389.28 and 45,165.02

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Solution

The fourth proportional to 82,890.77, 114,389.28 and 45,165.02 is: 62,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,890.77 : 114,389.28 = 45,165.02 : x
  2. Step 2: Convert to fraction form
    82,890.77/114,389.28 = 45,165.02/x
  3. Step 3: Cross multiply
    82,890.77x = 114,389.28 × 45,165.02
  4. Step 4: Simplify right side
    82,890.77x = 5,166,394,118.99
  5. Step 5: Solve for x
    x = 5,166,394,118.99/82,890.77
  6. Step 6: Final answer
    x = 62,327.74

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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.