Home / 68,037.12-93,860.64-39,726

Finding the Fourth Proportional to 68,037.12, 93,860.64 and 39,726

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Solution

The fourth proportional to 68,037.12, 93,860.64 and 39,726 is: 54,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037.12 : 93,860.64 = 39,726 : x
  2. Step 2: Convert to fraction form
    68,037.12/93,860.64 = 39,726/x
  3. Step 3: Cross multiply
    68,037.12x = 93,860.64 × 39,726
  4. Step 4: Simplify right side
    68,037.12x = 3,728,707,784.64
  5. Step 5: Solve for x
    x = 3,728,707,784.64/68,037.12
  6. Step 6: Final answer
    x = 54,804.02

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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.