Home / 53,466.24-80,116.16-20,168.08

Finding the Fourth Proportional to 53,466.24, 80,116.16 and 20,168.08

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Solution

The fourth proportional to 53,466.24, 80,116.16 and 20,168.08 is: 30,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,466.24 : 80,116.16 = 20,168.08 : x
  2. Step 2: Convert to fraction form
    53,466.24/80,116.16 = 20,168.08/x
  3. Step 3: Cross multiply
    53,466.24x = 80,116.16 × 20,168.08
  4. Step 4: Simplify right side
    53,466.24x = 1,615,789,124.17
  5. Step 5: Solve for x
    x = 1,615,789,124.17/53,466.24
  6. Step 6: Final answer
    x = 30,220.74

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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.