Home / 89,907.06-134,860.62-30,743.28

Finding the Fourth Proportional to 89,907.06, 134,860.62 and 30,743.28

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Solution

The fourth proportional to 89,907.06, 134,860.62 and 30,743.28 is: 46,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.06 : 134,860.62 = 30,743.28 : x
  2. Step 2: Convert to fraction form
    89,907.06/134,860.62 = 30,743.28/x
  3. Step 3: Cross multiply
    89,907.06x = 134,860.62 × 30,743.28
  4. Step 4: Simplify right side
    89,907.06x = 4,146,057,801.63
  5. Step 5: Solve for x
    x = 4,146,057,801.63/89,907.06
  6. Step 6: Final answer
    x = 46,114.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.