Home / 72,840.54-100,521.83-41,010.58

Finding the Fourth Proportional to 72,840.54, 100,521.83 and 41,010.58

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Solution

The fourth proportional to 72,840.54, 100,521.83 and 41,010.58 is: 56,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,840.54 : 100,521.83 = 41,010.58 : x
  2. Step 2: Convert to fraction form
    72,840.54/100,521.83 = 41,010.58/x
  3. Step 3: Cross multiply
    72,840.54x = 100,521.83 × 41,010.58
  4. Step 4: Simplify right side
    72,840.54x = 4,122,458,550.96
  5. Step 5: Solve for x
    x = 4,122,458,550.96/72,840.54
  6. Step 6: Final answer
    x = 56,595.66

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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.