Home / 89,315.07-123,248.02-49,022.43

Finding the Fourth Proportional to 89,315.07, 123,248.02 and 49,022.43

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Solution

The fourth proportional to 89,315.07, 123,248.02 and 49,022.43 is: 67,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.07 : 123,248.02 = 49,022.43 : x
  2. Step 2: Convert to fraction form
    89,315.07/123,248.02 = 49,022.43/x
  3. Step 3: Cross multiply
    89,315.07x = 123,248.02 × 49,022.43
  4. Step 4: Simplify right side
    89,315.07x = 6,041,917,433.09
  5. Step 5: Solve for x
    x = 6,041,917,433.09/89,315.07
  6. Step 6: Final answer
    x = 67,647.23

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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.