Home / 46,078.56-69,119.66-12,798.80

Finding the Fourth Proportional to 46,078.56, 69,119.66 and 12,798.80

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Solution

The fourth proportional to 46,078.56, 69,119.66 and 12,798.80 is: 19,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,078.56 : 69,119.66 = 12,798.80 : x
  2. Step 2: Convert to fraction form
    46,078.56/69,119.66 = 12,798.80/x
  3. Step 3: Cross multiply
    46,078.56x = 69,119.66 × 12,798.80
  4. Step 4: Simplify right side
    46,078.56x = 884,648,294.82
  5. Step 5: Solve for x
    x = 884,648,294.82/46,078.56
  6. Step 6: Final answer
    x = 19,198.70

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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.