Home / 54,709.46-75,520.80-47,022.30

Finding the Fourth Proportional to 54,709.46, 75,520.80 and 47,022.30

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Solution

The fourth proportional to 54,709.46, 75,520.80 and 47,022.30 is: 64,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709.46 : 75,520.80 = 47,022.30 : x
  2. Step 2: Convert to fraction form
    54,709.46/75,520.80 = 47,022.30/x
  3. Step 3: Cross multiply
    54,709.46x = 75,520.80 × 47,022.30
  4. Step 4: Simplify right side
    54,709.46x = 3,551,161,713.84
  5. Step 5: Solve for x
    x = 3,551,161,713.84/54,709.46
  6. Step 6: Final answer
    x = 64,909.46

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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.