Home / 68,656.77-94,735.40-38,443.37

Finding the Fourth Proportional to 68,656.77, 94,735.40 and 38,443.37

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Solution

The fourth proportional to 68,656.77, 94,735.40 and 38,443.37 is: 53,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.77 : 94,735.40 = 38,443.37 : x
  2. Step 2: Convert to fraction form
    68,656.77/94,735.40 = 38,443.37/x
  3. Step 3: Cross multiply
    68,656.77x = 94,735.40 × 38,443.37
  4. Step 4: Simplify right side
    68,656.77x = 3,641,947,368.40
  5. Step 5: Solve for x
    x = 3,641,947,368.40/68,656.77
  6. Step 6: Final answer
    x = 53,045.71

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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.