Home / 48,708.56-67,221.96-40,736.72

Finding the Fourth Proportional to 48,708.56, 67,221.96 and 40,736.72

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Solution

The fourth proportional to 48,708.56, 67,221.96 and 40,736.72 is: 56,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.56 : 67,221.96 = 40,736.72 : x
  2. Step 2: Convert to fraction form
    48,708.56/67,221.96 = 40,736.72/x
  3. Step 3: Cross multiply
    48,708.56x = 67,221.96 × 40,736.72
  4. Step 4: Simplify right side
    48,708.56x = 2,738,402,162.37
  5. Step 5: Solve for x
    x = 2,738,402,162.37/48,708.56
  6. Step 6: Final answer
    x = 56,220.14

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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.