Home / 76,682.19-105,800.18-46,047.39

Finding the Fourth Proportional to 76,682.19, 105,800.18 and 46,047.39

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Solution

The fourth proportional to 76,682.19, 105,800.18 and 46,047.39 is: 63,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,682.19 : 105,800.18 = 46,047.39 : x
  2. Step 2: Convert to fraction form
    76,682.19/105,800.18 = 46,047.39/x
  3. Step 3: Cross multiply
    76,682.19x = 105,800.18 × 46,047.39
  4. Step 4: Simplify right side
    76,682.19x = 4,871,821,523.54
  5. Step 5: Solve for x
    x = 4,871,821,523.54/76,682.19
  6. Step 6: Final answer
    x = 63,532.63

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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.