Home / 55,705.39-76,903.31-43,024.21

Finding the Fourth Proportional to 55,705.39, 76,903.31 and 43,024.21

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Solution

The fourth proportional to 55,705.39, 76,903.31 and 43,024.21 is: 59,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.39 : 76,903.31 = 43,024.21 : x
  2. Step 2: Convert to fraction form
    55,705.39/76,903.31 = 43,024.21/x
  3. Step 3: Cross multiply
    55,705.39x = 76,903.31 × 43,024.21
  4. Step 4: Simplify right side
    55,705.39x = 3,308,704,074.44
  5. Step 5: Solve for x
    x = 3,308,704,074.44/55,705.39
  6. Step 6: Final answer
    x = 59,396.48

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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.