Home / 56,847.24-78,449.64-31,698.36

Finding the Fourth Proportional to 56,847.24, 78,449.64 and 31,698.36

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Solution

The fourth proportional to 56,847.24, 78,449.64 and 31,698.36 is: 43,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,847.24 : 78,449.64 = 31,698.36 : x
  2. Step 2: Convert to fraction form
    56,847.24/78,449.64 = 31,698.36/x
  3. Step 3: Cross multiply
    56,847.24x = 78,449.64 × 31,698.36
  4. Step 4: Simplify right side
    56,847.24x = 2,486,724,930.59
  5. Step 5: Solve for x
    x = 2,486,724,930.59/56,847.24
  6. Step 6: Final answer
    x = 43,743.99

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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.