Home / 84,371.06-116,431.08-46,644.50

Finding the Fourth Proportional to 84,371.06, 116,431.08 and 46,644.50

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Solution

The fourth proportional to 84,371.06, 116,431.08 and 46,644.50 is: 64,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,371.06 : 116,431.08 = 46,644.50 : x
  2. Step 2: Convert to fraction form
    84,371.06/116,431.08 = 46,644.50/x
  3. Step 3: Cross multiply
    84,371.06x = 116,431.08 × 46,644.50
  4. Step 4: Simplify right side
    84,371.06x = 5,430,869,511.06
  5. Step 5: Solve for x
    x = 5,430,869,511.06/84,371.06
  6. Step 6: Final answer
    x = 64,368.87

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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.