Home / 72,983.36-100,719.93-41,151.57

Finding the Fourth Proportional to 72,983.36, 100,719.93 and 41,151.57

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Solution

The fourth proportional to 72,983.36, 100,719.93 and 41,151.57 is: 56,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983.36 : 100,719.93 = 41,151.57 : x
  2. Step 2: Convert to fraction form
    72,983.36/100,719.93 = 41,151.57/x
  3. Step 3: Cross multiply
    72,983.36x = 100,719.93 × 41,151.57
  4. Step 4: Simplify right side
    72,983.36x = 4,144,783,249.79
  5. Step 5: Solve for x
    x = 4,144,783,249.79/72,983.36
  6. Step 6: Final answer
    x = 56,790.80

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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.