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Finding the Fourth Proportional to 68,125.25, 93,959.60 and 44,259.62

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Solution

The fourth proportional to 68,125.25, 93,959.60 and 44,259.62 is: 61,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,125.25 : 93,959.60 = 44,259.62 : x
  2. Step 2: Convert to fraction form
    68,125.25/93,959.60 = 44,259.62/x
  3. Step 3: Cross multiply
    68,125.25x = 93,959.60 × 44,259.62
  4. Step 4: Simplify right side
    68,125.25x = 4,158,615,500.26
  5. Step 5: Solve for x
    x = 4,158,615,500.26/68,125.25
  6. Step 6: Final answer
    x = 61,043.67

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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.