Home / 72,925.20-100,638.72-41,092.20

Finding the Fourth Proportional to 72,925.20, 100,638.72 and 41,092.20

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Solution

The fourth proportional to 72,925.20, 100,638.72 and 41,092.20 is: 56,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.20 : 100,638.72 = 41,092.20 : x
  2. Step 2: Convert to fraction form
    72,925.20/100,638.72 = 41,092.20/x
  3. Step 3: Cross multiply
    72,925.20x = 100,638.72 × 41,092.20
  4. Step 4: Simplify right side
    72,925.20x = 4,135,466,409.98
  5. Step 5: Solve for x
    x = 4,135,466,409.98/72,925.20
  6. Step 6: Final answer
    x = 56,708.33

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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.