Home / 43,780.08-65,653.52-15,692.56

Finding the Fourth Proportional to 43,780.08, 65,653.52 and 15,692.56

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Solution

The fourth proportional to 43,780.08, 65,653.52 and 15,692.56 is: 23,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,780.08 : 65,653.52 = 15,692.56 : x
  2. Step 2: Convert to fraction form
    43,780.08/65,653.52 = 15,692.56/x
  3. Step 3: Cross multiply
    43,780.08x = 65,653.52 × 15,692.56
  4. Step 4: Simplify right side
    43,780.08x = 1,030,271,801.81
  5. Step 5: Solve for x
    x = 1,030,271,801.81/43,780.08
  6. Step 6: Final answer
    x = 23,532.89

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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.