Home / 68,511.50-94,533.77-38,287.16

Finding the Fourth Proportional to 68,511.50, 94,533.77 and 38,287.16

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Solution

The fourth proportional to 68,511.50, 94,533.77 and 38,287.16 is: 52,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,511.50 : 94,533.77 = 38,287.16 : x
  2. Step 2: Convert to fraction form
    68,511.50/94,533.77 = 38,287.16/x
  3. Step 3: Cross multiply
    68,511.50x = 94,533.77 × 38,287.16
  4. Step 4: Simplify right side
    68,511.50x = 3,619,429,104.72
  5. Step 5: Solve for x
    x = 3,619,429,104.72/68,511.50
  6. Step 6: Final answer
    x = 52,829.52

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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.