Home / 46,012.55-69,020.36-12,729.83

Finding the Fourth Proportional to 46,012.55, 69,020.36 and 12,729.83

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Solution

The fourth proportional to 46,012.55, 69,020.36 and 12,729.83 is: 19,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.55 : 69,020.36 = 12,729.83 : x
  2. Step 2: Convert to fraction form
    46,012.55/69,020.36 = 12,729.83/x
  3. Step 3: Cross multiply
    46,012.55x = 69,020.36 × 12,729.83
  4. Step 4: Simplify right side
    46,012.55x = 878,617,158.69
  5. Step 5: Solve for x
    x = 878,617,158.69/46,012.55
  6. Step 6: Final answer
    x = 19,095.16

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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.