Home / 54,850.55-75,701.27-31,566.50

Finding the Fourth Proportional to 54,850.55, 75,701.27 and 31,566.50

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Solution

The fourth proportional to 54,850.55, 75,701.27 and 31,566.50 is: 43,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,850.55 : 75,701.27 = 31,566.50 : x
  2. Step 2: Convert to fraction form
    54,850.55/75,701.27 = 31,566.50/x
  3. Step 3: Cross multiply
    54,850.55x = 75,701.27 × 31,566.50
  4. Step 4: Simplify right side
    54,850.55x = 2,389,624,139.46
  5. Step 5: Solve for x
    x = 2,389,624,139.46/54,850.55
  6. Step 6: Final answer
    x = 43,566.09

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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.