Home / 76,166.66-105,111.07-43,883.44

Finding the Fourth Proportional to 76,166.66, 105,111.07 and 43,883.44

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Solution

The fourth proportional to 76,166.66, 105,111.07 and 43,883.44 is: 60,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,166.66 : 105,111.07 = 43,883.44 : x
  2. Step 2: Convert to fraction form
    76,166.66/105,111.07 = 43,883.44/x
  3. Step 3: Cross multiply
    76,166.66x = 105,111.07 × 43,883.44
  4. Step 4: Simplify right side
    76,166.66x = 4,612,634,961.19
  5. Step 5: Solve for x
    x = 4,612,634,961.19/76,166.66
  6. Step 6: Final answer
    x = 60,559.76

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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.