Home / 72,823.44-100,499.04-40,560.96

Finding the Fourth Proportional to 72,823.44, 100,499.04 and 40,560.96

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Solution

The fourth proportional to 72,823.44, 100,499.04 and 40,560.96 is: 55,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,823.44 : 100,499.04 = 40,560.96 : x
  2. Step 2: Convert to fraction form
    72,823.44/100,499.04 = 40,560.96/x
  3. Step 3: Cross multiply
    72,823.44x = 100,499.04 × 40,560.96
  4. Step 4: Simplify right side
    72,823.44x = 4,076,337,541.48
  5. Step 5: Solve for x
    x = 4,076,337,541.48/72,823.44
  6. Step 6: Final answer
    x = 55,975.62

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1.5x scale

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.