Home / 69,980.24-96,388.44-58,005.20

Finding the Fourth Proportional to 69,980.24, 96,388.44 and 58,005.20

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Solution

The fourth proportional to 69,980.24, 96,388.44 and 58,005.20 is: 79,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,980.24 : 96,388.44 = 58,005.20 : x
  2. Step 2: Convert to fraction form
    69,980.24/96,388.44 = 58,005.20/x
  3. Step 3: Cross multiply
    69,980.24x = 96,388.44 × 58,005.20
  4. Step 4: Simplify right side
    69,980.24x = 5,591,030,739.89
  5. Step 5: Solve for x
    x = 5,591,030,739.89/69,980.24
  6. Step 6: Final answer
    x = 79,894.42

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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.