Home / 89,653.13-123,716.41-49,359.24

Finding the Fourth Proportional to 89,653.13, 123,716.41 and 49,359.24

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Solution

The fourth proportional to 89,653.13, 123,716.41 and 49,359.24 is: 68,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.13 : 123,716.41 = 49,359.24 : x
  2. Step 2: Convert to fraction form
    89,653.13/123,716.41 = 49,359.24/x
  3. Step 3: Cross multiply
    89,653.13x = 123,716.41 × 49,359.24
  4. Step 4: Simplify right side
    89,653.13x = 6,106,547,354.55
  5. Step 5: Solve for x
    x = 6,106,547,354.55/89,653.13
  6. Step 6: Final answer
    x = 68,113.05

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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.