Home / 76,583.56-105,684.18-43,049.32

Finding the Fourth Proportional to 76,583.56, 105,684.18 and 43,049.32

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Solution

The fourth proportional to 76,583.56, 105,684.18 and 43,049.32 is: 59,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,583.56 : 105,684.18 = 43,049.32 : x
  2. Step 2: Convert to fraction form
    76,583.56/105,684.18 = 43,049.32/x
  3. Step 3: Cross multiply
    76,583.56x = 105,684.18 × 43,049.32
  4. Step 4: Simplify right side
    76,583.56x = 4,549,632,083.76
  5. Step 5: Solve for x
    x = 4,549,632,083.76/76,583.56
  6. Step 6: Final answer
    x = 59,407.42

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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.