Home / 82,891.41-114,390.16-45,165.66

Finding the Fourth Proportional to 82,891.41, 114,390.16 and 45,165.66

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Solution

The fourth proportional to 82,891.41, 114,390.16 and 45,165.66 is: 62,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891.41 : 114,390.16 = 45,165.66 : x
  2. Step 2: Convert to fraction form
    82,891.41/114,390.16 = 45,165.66/x
  3. Step 3: Cross multiply
    82,891.41x = 114,390.16 × 45,165.66
  4. Step 4: Simplify right side
    82,891.41x = 5,166,506,960.99
  5. Step 5: Solve for x
    x = 5,166,506,960.99/82,891.41
  6. Step 6: Final answer
    x = 62,328.62

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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.