Home / 83,760.88-115,551.48-51,466.18

Finding the Fourth Proportional to 83,760.88, 115,551.48 and 51,466.18

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Solution

The fourth proportional to 83,760.88, 115,551.48 and 51,466.18 is: 70,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,760.88 : 115,551.48 = 51,466.18 : x
  2. Step 2: Convert to fraction form
    83,760.88/115,551.48 = 51,466.18/x
  3. Step 3: Cross multiply
    83,760.88x = 115,551.48 × 51,466.18
  4. Step 4: Simplify right side
    83,760.88x = 5,946,993,268.95
  5. Step 5: Solve for x
    x = 5,946,993,268.95/83,760.88
  6. Step 6: Final answer
    x = 70,999.65

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1.5x scale

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.