Home / 68,134.48-93,999.30-50,272.36

Finding the Fourth Proportional to 68,134.48, 93,999.30 and 50,272.36

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Solution

The fourth proportional to 68,134.48, 93,999.30 and 50,272.36 is: 69,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,134.48 : 93,999.30 = 50,272.36 : x
  2. Step 2: Convert to fraction form
    68,134.48/93,999.30 = 50,272.36/x
  3. Step 3: Cross multiply
    68,134.48x = 93,999.30 × 50,272.36
  4. Step 4: Simplify right side
    68,134.48x = 4,725,566,649.35
  5. Step 5: Solve for x
    x = 4,725,566,649.35/68,134.48
  6. Step 6: Final answer
    x = 69,356.46

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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.