Home / 70,318.41-105,550.52-47,107.05

Finding the Fourth Proportional to 70,318.41, 105,550.52 and 47,107.05

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Solution

The fourth proportional to 70,318.41, 105,550.52 and 47,107.05 is: 70,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.41 : 105,550.52 = 47,107.05 : x
  2. Step 2: Convert to fraction form
    70,318.41/105,550.52 = 47,107.05/x
  3. Step 3: Cross multiply
    70,318.41x = 105,550.52 × 47,107.05
  4. Step 4: Simplify right side
    70,318.41x = 4,972,173,387.63
  5. Step 5: Solve for x
    x = 4,972,173,387.63/70,318.41
  6. Step 6: Final answer
    x = 70,709.41

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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.