Home / 48,707.56-67,220.58-40,735.72

Finding the Fourth Proportional to 48,707.56, 67,220.58 and 40,735.72

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Solution

The fourth proportional to 48,707.56, 67,220.58 and 40,735.72 is: 56,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.56 : 67,220.58 = 40,735.72 : x
  2. Step 2: Convert to fraction form
    48,707.56/67,220.58 = 40,735.72/x
  3. Step 3: Cross multiply
    48,707.56x = 67,220.58 × 40,735.72
  4. Step 4: Simplify right side
    48,707.56x = 2,738,278,725.12
  5. Step 5: Solve for x
    x = 2,738,278,725.12/48,707.56
  6. Step 6: Final answer
    x = 56,218.76

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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.