Home / 69,977.10-104,877.97-49,955.12

Finding the Fourth Proportional to 69,977.10, 104,877.97 and 49,955.12

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Solution

The fourth proportional to 69,977.10, 104,877.97 and 49,955.12 is: 74,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.10 : 104,877.97 = 49,955.12 : x
  2. Step 2: Convert to fraction form
    69,977.10/104,877.97 = 49,955.12/x
  3. Step 3: Cross multiply
    69,977.10x = 104,877.97 × 49,955.12
  4. Step 4: Simplify right side
    69,977.10x = 5,239,191,576.71
  5. Step 5: Solve for x
    x = 5,239,191,576.71/69,977.10
  6. Step 6: Final answer
    x = 74,870.09

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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.