Home / 49,715.10-68,576.76-31,803.84

Finding the Fourth Proportional to 49,715.10, 68,576.76 and 31,803.84

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Solution

The fourth proportional to 49,715.10, 68,576.76 and 31,803.84 is: 43,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,715.10 : 68,576.76 = 31,803.84 : x
  2. Step 2: Convert to fraction form
    49,715.10/68,576.76 = 31,803.84/x
  3. Step 3: Cross multiply
    49,715.10x = 68,576.76 × 31,803.84
  4. Step 4: Simplify right side
    49,715.10x = 2,181,004,302.76
  5. Step 5: Solve for x
    x = 2,181,004,302.76/49,715.10
  6. Step 6: Final answer
    x = 43,870.06

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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.