Home / 68,631.09-94,770-43,179.89

Finding the Fourth Proportional to 68,631.09, 94,770 and 43,179.89

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Solution

The fourth proportional to 68,631.09, 94,770 and 43,179.89 is: 59,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,631.09 : 94,770 = 43,179.89 : x
  2. Step 2: Convert to fraction form
    68,631.09/94,770 = 43,179.89/x
  3. Step 3: Cross multiply
    68,631.09x = 94,770 × 43,179.89
  4. Step 4: Simplify right side
    68,631.09x = 4,092,157,701.45
  5. Step 5: Solve for x
    x = 4,092,157,701.45/68,631.09
  6. Step 6: Final answer
    x = 59,625.42

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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.