Home / 69,860.30-96,409.56-39,647.02

Finding the Fourth Proportional to 69,860.30, 96,409.56 and 39,647.02

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Solution

The fourth proportional to 69,860.30, 96,409.56 and 39,647.02 is: 54,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.30 : 96,409.56 = 39,647.02 : x
  2. Step 2: Convert to fraction form
    69,860.30/96,409.56 = 39,647.02/x
  3. Step 3: Cross multiply
    69,860.30x = 96,409.56 × 39,647.02
  4. Step 4: Simplify right side
    69,860.30x = 3,822,351,753.51
  5. Step 5: Solve for x
    x = 3,822,351,753.51/69,860.30
  6. Step 6: Final answer
    x = 54,714.22

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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.