Home / 70,023.18-96,628.50-39,804.54

Finding the Fourth Proportional to 70,023.18, 96,628.50 and 39,804.54

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Solution

The fourth proportional to 70,023.18, 96,628.50 and 39,804.54 is: 54,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,023.18 : 96,628.50 = 39,804.54 : x
  2. Step 2: Convert to fraction form
    70,023.18/96,628.50 = 39,804.54/x
  3. Step 3: Cross multiply
    70,023.18x = 96,628.50 × 39,804.54
  4. Step 4: Simplify right side
    70,023.18x = 3,846,252,993.39
  5. Step 5: Solve for x
    x = 3,846,252,993.39/70,023.18
  6. Step 6: Final answer
    x = 54,928.28

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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.