Home / 79,432.87-109,618.08-43,623.15

Finding the Fourth Proportional to 79,432.87, 109,618.08 and 43,623.15

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Solution

The fourth proportional to 79,432.87, 109,618.08 and 43,623.15 is: 60,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.87 : 109,618.08 = 43,623.15 : x
  2. Step 2: Convert to fraction form
    79,432.87/109,618.08 = 43,623.15/x
  3. Step 3: Cross multiply
    79,432.87x = 109,618.08 × 43,623.15
  4. Step 4: Simplify right side
    79,432.87x = 4,781,885,946.55
  5. Step 5: Solve for x
    x = 4,781,885,946.55/79,432.87
  6. Step 6: Final answer
    x = 60,200.34

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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.