Home / 43,281.75-64,922.63-10,449.75

Finding the Fourth Proportional to 43,281.75, 64,922.63 and 10,449.75

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Solution

The fourth proportional to 43,281.75, 64,922.63 and 10,449.75 is: 15,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.75 : 64,922.63 = 10,449.75 : x
  2. Step 2: Convert to fraction form
    43,281.75/64,922.63 = 10,449.75/x
  3. Step 3: Cross multiply
    43,281.75x = 64,922.63 × 10,449.75
  4. Step 4: Simplify right side
    43,281.75x = 678,425,200.59
  5. Step 5: Solve for x
    x = 678,425,200.59/43,281.75
  6. Step 6: Final answer
    x = 15,674.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.