Home / 43,065.12-64,597.67-13,485.27

Finding the Fourth Proportional to 43,065.12, 64,597.67 and 13,485.27

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Solution

The fourth proportional to 43,065.12, 64,597.67 and 13,485.27 is: 20,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.12 : 64,597.67 = 13,485.27 : x
  2. Step 2: Convert to fraction form
    43,065.12/64,597.67 = 13,485.27/x
  3. Step 3: Cross multiply
    43,065.12x = 64,597.67 × 13,485.27
  4. Step 4: Simplify right side
    43,065.12x = 871,117,021.32
  5. Step 5: Solve for x
    x = 871,117,021.32/43,065.12
  6. Step 6: Final answer
    x = 20,227.90

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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.