Home / 72,688.37-100,295.25-42,467.86

Finding the Fourth Proportional to 72,688.37, 100,295.25 and 42,467.86

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Solution

The fourth proportional to 72,688.37, 100,295.25 and 42,467.86 is: 58,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,688.37 : 100,295.25 = 42,467.86 : x
  2. Step 2: Convert to fraction form
    72,688.37/100,295.25 = 42,467.86/x
  3. Step 3: Cross multiply
    72,688.37x = 100,295.25 × 42,467.86
  4. Step 4: Simplify right side
    72,688.37x = 4,259,324,134.19
  5. Step 5: Solve for x
    x = 4,259,324,134.19/72,688.37
  6. Step 6: Final answer
    x = 58,597.05

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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.