Home / 72,008.46-99,355.78-41,776.28

Finding the Fourth Proportional to 72,008.46, 99,355.78 and 41,776.28

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Solution

The fourth proportional to 72,008.46, 99,355.78 and 41,776.28 is: 57,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008.46 : 99,355.78 = 41,776.28 : x
  2. Step 2: Convert to fraction form
    72,008.46/99,355.78 = 41,776.28/x
  3. Step 3: Cross multiply
    72,008.46x = 99,355.78 × 41,776.28
  4. Step 4: Simplify right side
    72,008.46x = 4,150,714,884.90
  5. Step 5: Solve for x
    x = 4,150,714,884.90/72,008.46
  6. Step 6: Final answer
    x = 57,642.04

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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.