Home / 68,396.89-94,426.95-52,136.55

Finding the Fourth Proportional to 68,396.89, 94,426.95 and 52,136.55

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Solution

The fourth proportional to 68,396.89, 94,426.95 and 52,136.55 is: 71,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,396.89 : 94,426.95 = 52,136.55 : x
  2. Step 2: Convert to fraction form
    68,396.89/94,426.95 = 52,136.55/x
  3. Step 3: Cross multiply
    68,396.89x = 94,426.95 × 52,136.55
  4. Step 4: Simplify right side
    68,396.89x = 4,923,095,400.02
  5. Step 5: Solve for x
    x = 4,923,095,400.02/68,396.89
  6. Step 6: Final answer
    x = 71,978.35

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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.