Home / 72,902.44-100,603.92-41,070.70

Finding the Fourth Proportional to 72,902.44, 100,603.92 and 41,070.70

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Solution

The fourth proportional to 72,902.44, 100,603.92 and 41,070.70 is: 56,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,902.44 : 100,603.92 = 41,070.70 : x
  2. Step 2: Convert to fraction form
    72,902.44/100,603.92 = 41,070.70/x
  3. Step 3: Cross multiply
    72,902.44x = 100,603.92 × 41,070.70
  4. Step 4: Simplify right side
    72,902.44x = 4,131,873,417.14
  5. Step 5: Solve for x
    x = 4,131,873,417.14/72,902.44
  6. Step 6: Final answer
    x = 56,676.75

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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.