Home / 89,418.63-134,127.42-22,858.65

Finding the Fourth Proportional to 89,418.63, 134,127.42 and 22,858.65

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Solution

The fourth proportional to 89,418.63, 134,127.42 and 22,858.65 is: 34,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,418.63 : 134,127.42 = 22,858.65 : x
  2. Step 2: Convert to fraction form
    89,418.63/134,127.42 = 22,858.65/x
  3. Step 3: Cross multiply
    89,418.63x = 134,127.42 × 22,858.65
  4. Step 4: Simplify right side
    89,418.63x = 3,065,971,749.18
  5. Step 5: Solve for x
    x = 3,065,971,749.18/89,418.63
  6. Step 6: Final answer
    x = 34,287.84

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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.