Home / 53,303.06-79,954.90-22,138.31

Finding the Fourth Proportional to 53,303.06, 79,954.90 and 22,138.31

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Solution

The fourth proportional to 53,303.06, 79,954.90 and 22,138.31 is: 33,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.06 : 79,954.90 = 22,138.31 : x
  2. Step 2: Convert to fraction form
    53,303.06/79,954.90 = 22,138.31/x
  3. Step 3: Cross multiply
    53,303.06x = 79,954.90 × 22,138.31
  4. Step 4: Simplify right side
    53,303.06x = 1,770,066,506.76
  5. Step 5: Solve for x
    x = 1,770,066,506.76/53,303.06
  6. Step 6: Final answer
    x = 33,207.59

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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.