Home / 68,240.88-94,180.59-39,946.50

Finding the Fourth Proportional to 68,240.88, 94,180.59 and 39,946.50

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Solution

The fourth proportional to 68,240.88, 94,180.59 and 39,946.50 is: 55,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.88 : 94,180.59 = 39,946.50 : x
  2. Step 2: Convert to fraction form
    68,240.88/94,180.59 = 39,946.50/x
  3. Step 3: Cross multiply
    68,240.88x = 94,180.59 × 39,946.50
  4. Step 4: Simplify right side
    68,240.88x = 3,762,184,938.44
  5. Step 5: Solve for x
    x = 3,762,184,938.44/68,240.88
  6. Step 6: Final answer
    x = 55,130.96

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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.