Home / 80,537.54-120,807.72-24,378.21

Finding the Fourth Proportional to 80,537.54, 120,807.72 and 24,378.21

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Solution

The fourth proportional to 80,537.54, 120,807.72 and 24,378.21 is: 36,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.54 : 120,807.72 = 24,378.21 : x
  2. Step 2: Convert to fraction form
    80,537.54/120,807.72 = 24,378.21/x
  3. Step 3: Cross multiply
    80,537.54x = 120,807.72 × 24,378.21
  4. Step 4: Simplify right side
    80,537.54x = 2,945,075,967.78
  5. Step 5: Solve for x
    x = 2,945,075,967.78/80,537.54
  6. Step 6: Final answer
    x = 36,567.74

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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.