Home / 72,266.63-99,727.94-40,441.68

Finding the Fourth Proportional to 72,266.63, 99,727.94 and 40,441.68

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Solution

The fourth proportional to 72,266.63, 99,727.94 and 40,441.68 is: 55,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266.63 : 99,727.94 = 40,441.68 : x
  2. Step 2: Convert to fraction form
    72,266.63/99,727.94 = 40,441.68/x
  3. Step 3: Cross multiply
    72,266.63x = 99,727.94 × 40,441.68
  4. Step 4: Simplify right side
    72,266.63x = 4,033,165,537.64
  5. Step 5: Solve for x
    x = 4,033,165,537.64/72,266.63
  6. Step 6: Final answer
    x = 55,809.52

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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.