Home / 71,721.50-98,975.67-41,913.50

Finding the Fourth Proportional to 71,721.50, 98,975.67 and 41,913.50

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Solution

The fourth proportional to 71,721.50, 98,975.67 and 41,913.50 is: 57,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721.50 : 98,975.67 = 41,913.50 : x
  2. Step 2: Convert to fraction form
    71,721.50/98,975.67 = 41,913.50/x
  3. Step 3: Cross multiply
    71,721.50x = 98,975.67 × 41,913.50
  4. Step 4: Simplify right side
    71,721.50x = 4,148,416,744.55
  5. Step 5: Solve for x
    x = 4,148,416,744.55/71,721.50
  6. Step 6: Final answer
    x = 57,840.63

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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.