Home / 72,829.23-100,504.50-40,563.59

Finding the Fourth Proportional to 72,829.23, 100,504.50 and 40,563.59

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Solution

The fourth proportional to 72,829.23, 100,504.50 and 40,563.59 is: 55,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.23 : 100,504.50 = 40,563.59 : x
  2. Step 2: Convert to fraction form
    72,829.23/100,504.50 = 40,563.59/x
  3. Step 3: Cross multiply
    72,829.23x = 100,504.50 × 40,563.59
  4. Step 4: Simplify right side
    72,829.23x = 4,076,822,676.52
  5. Step 5: Solve for x
    x = 4,076,822,676.52/72,829.23
  6. Step 6: Final answer
    x = 55,977.84

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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.