Home / 68,046.12-93,873.06-39,735

Finding the Fourth Proportional to 68,046.12, 93,873.06 and 39,735

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Solution

The fourth proportional to 68,046.12, 93,873.06 and 39,735 is: 54,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.12 : 93,873.06 = 39,735 : x
  2. Step 2: Convert to fraction form
    68,046.12/93,873.06 = 39,735/x
  3. Step 3: Cross multiply
    68,046.12x = 93,873.06 × 39,735
  4. Step 4: Simplify right side
    68,046.12x = 3,730,046,039.10
  5. Step 5: Solve for x
    x = 3,730,046,039.10/68,046.12
  6. Step 6: Final answer
    x = 54,816.44

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1.5x scale

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.