Home / 67,619.40-93,336.47-47,481.18

Finding the Fourth Proportional to 67,619.40, 93,336.47 and 47,481.18

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Solution

The fourth proportional to 67,619.40, 93,336.47 and 47,481.18 is: 65,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,619.40 : 93,336.47 = 47,481.18 : x
  2. Step 2: Convert to fraction form
    67,619.40/93,336.47 = 47,481.18/x
  3. Step 3: Cross multiply
    67,619.40x = 93,336.47 × 47,481.18
  4. Step 4: Simplify right side
    67,619.40x = 4,431,725,732.63
  5. Step 5: Solve for x
    x = 4,431,725,732.63/67,619.40
  6. Step 6: Final answer
    x = 65,539.26

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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.