Home / 68,810.48-94,951.26-40,122.50

Finding the Fourth Proportional to 68,810.48, 94,951.26 and 40,122.50

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Solution

The fourth proportional to 68,810.48, 94,951.26 and 40,122.50 is: 55,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,810.48 : 94,951.26 = 40,122.50 : x
  2. Step 2: Convert to fraction form
    68,810.48/94,951.26 = 40,122.50/x
  3. Step 3: Cross multiply
    68,810.48x = 94,951.26 × 40,122.50
  4. Step 4: Simplify right side
    68,810.48x = 3,809,681,454.59
  5. Step 5: Solve for x
    x = 3,809,681,454.59/68,810.48
  6. Step 6: Final answer
    x = 55,364.85

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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.