Home / 71,850.09-99,118.79-55,824.87

Finding the Fourth Proportional to 71,850.09, 99,118.79 and 55,824.87

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Solution

The fourth proportional to 71,850.09, 99,118.79 and 55,824.87 is: 77,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.09 : 99,118.79 = 55,824.87 : x
  2. Step 2: Convert to fraction form
    71,850.09/99,118.79 = 55,824.87/x
  3. Step 3: Cross multiply
    71,850.09x = 99,118.79 × 55,824.87
  4. Step 4: Simplify right side
    71,850.09x = 5,533,293,287.18
  5. Step 5: Solve for x
    x = 5,533,293,287.18/71,850.09
  6. Step 6: Final answer
    x = 77,011.64

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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.