Home / 55,190.51-76,164.53-39,086.63

Finding the Fourth Proportional to 55,190.51, 76,164.53 and 39,086.63

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Solution

The fourth proportional to 55,190.51, 76,164.53 and 39,086.63 is: 53,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.51 : 76,164.53 = 39,086.63 : x
  2. Step 2: Convert to fraction form
    55,190.51/76,164.53 = 39,086.63/x
  3. Step 3: Cross multiply
    55,190.51x = 76,164.53 × 39,086.63
  4. Step 4: Simplify right side
    55,190.51x = 2,977,014,226.98
  5. Step 5: Solve for x
    x = 2,977,014,226.98/55,190.51
  6. Step 6: Final answer
    x = 53,940.70

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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.