Home / 67,481.76-93,133.08-39,187.47

Finding the Fourth Proportional to 67,481.76, 93,133.08 and 39,187.47

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Solution

The fourth proportional to 67,481.76, 93,133.08 and 39,187.47 is: 54,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.76 : 93,133.08 = 39,187.47 : x
  2. Step 2: Convert to fraction form
    67,481.76/93,133.08 = 39,187.47/x
  3. Step 3: Cross multiply
    67,481.76x = 93,133.08 × 39,187.47
  4. Step 4: Simplify right side
    67,481.76x = 3,649,649,778.51
  5. Step 5: Solve for x
    x = 3,649,649,778.51/67,481.76
  6. Step 6: Final answer
    x = 54,083.50

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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.