Home / 68,368.64-94,208.60-50,435.20

Finding the Fourth Proportional to 68,368.64, 94,208.60 and 50,435.20

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Solution

The fourth proportional to 68,368.64, 94,208.60 and 50,435.20 is: 69,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368.64 : 94,208.60 = 50,435.20 : x
  2. Step 2: Convert to fraction form
    68,368.64/94,208.60 = 50,435.20/x
  3. Step 3: Cross multiply
    68,368.64x = 94,208.60 × 50,435.20
  4. Step 4: Simplify right side
    68,368.64x = 4,751,429,582.72
  5. Step 5: Solve for x
    x = 4,751,429,582.72/68,368.64
  6. Step 6: Final answer
    x = 69,497.21

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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.