Home / 46,140.82-69,211.26-12,860.98

Finding the Fourth Proportional to 46,140.82, 69,211.26 and 12,860.98

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Solution

The fourth proportional to 46,140.82, 69,211.26 and 12,860.98 is: 19,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,140.82 : 69,211.26 = 12,860.98 : x
  2. Step 2: Convert to fraction form
    46,140.82/69,211.26 = 12,860.98/x
  3. Step 3: Cross multiply
    46,140.82x = 69,211.26 × 12,860.98
  4. Step 4: Simplify right side
    46,140.82x = 890,124,630.63
  5. Step 5: Solve for x
    x = 890,124,630.63/46,140.82
  6. Step 6: Final answer
    x = 19,291.48

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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.