Home / 72,938.36-100,660.50-41,110.28

Finding the Fourth Proportional to 72,938.36, 100,660.50 and 41,110.28

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Solution

The fourth proportional to 72,938.36, 100,660.50 and 41,110.28 is: 56,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,938.36 : 100,660.50 = 41,110.28 : x
  2. Step 2: Convert to fraction form
    72,938.36/100,660.50 = 41,110.28/x
  3. Step 3: Cross multiply
    72,938.36x = 100,660.50 × 41,110.28
  4. Step 4: Simplify right side
    72,938.36x = 4,138,181,339.94
  5. Step 5: Solve for x
    x = 4,138,181,339.94/72,938.36
  6. Step 6: Final answer
    x = 56,735.32

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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.