Home / 48,405.29-66,780.63-35,688.69

Finding the Fourth Proportional to 48,405.29, 66,780.63 and 35,688.69

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Solution

The fourth proportional to 48,405.29, 66,780.63 and 35,688.69 is: 49,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.29 : 66,780.63 = 35,688.69 : x
  2. Step 2: Convert to fraction form
    48,405.29/66,780.63 = 35,688.69/x
  3. Step 3: Cross multiply
    48,405.29x = 66,780.63 × 35,688.69
  4. Step 4: Simplify right side
    48,405.29x = 2,383,313,202.07
  5. Step 5: Solve for x
    x = 2,383,313,202.07/48,405.29
  6. Step 6: Final answer
    x = 49,236.63

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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.