Home / 55,330.37-83,078.58-31,664.63

Finding the Fourth Proportional to 55,330.37, 83,078.58 and 31,664.63

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Solution

The fourth proportional to 55,330.37, 83,078.58 and 31,664.63 is: 47,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.37 : 83,078.58 = 31,664.63 : x
  2. Step 2: Convert to fraction form
    55,330.37/83,078.58 = 31,664.63/x
  3. Step 3: Cross multiply
    55,330.37x = 83,078.58 × 31,664.63
  4. Step 4: Simplify right side
    55,330.37x = 2,630,652,496.63
  5. Step 5: Solve for x
    x = 2,630,652,496.63/55,330.37
  6. Step 6: Final answer
    x = 47,544.46

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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.