Home / 55,257.99-76,253.58-31,384.32

Finding the Fourth Proportional to 55,257.99, 76,253.58 and 31,384.32

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Solution

The fourth proportional to 55,257.99, 76,253.58 and 31,384.32 is: 43,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,257.99 : 76,253.58 = 31,384.32 : x
  2. Step 2: Convert to fraction form
    55,257.99/76,253.58 = 31,384.32/x
  3. Step 3: Cross multiply
    55,257.99x = 76,253.58 × 31,384.32
  4. Step 4: Simplify right side
    55,257.99x = 2,393,166,755.87
  5. Step 5: Solve for x
    x = 2,393,166,755.87/55,257.99
  6. Step 6: Final answer
    x = 43,308.97

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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.