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Finding the Fourth Proportional to 82,846.74, 124,154.27 and 44,813.90

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Solution

The fourth proportional to 82,846.74, 124,154.27 and 44,813.90 is: 67,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,846.74 : 124,154.27 = 44,813.90 : x
  2. Step 2: Convert to fraction form
    82,846.74/124,154.27 = 44,813.90/x
  3. Step 3: Cross multiply
    82,846.74x = 124,154.27 × 44,813.90
  4. Step 4: Simplify right side
    82,846.74x = 5,563,837,126.67
  5. Step 5: Solve for x
    x = 5,563,837,126.67/82,846.74
  6. Step 6: Final answer
    x = 67,158.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.