Home / 46,119.80-69,172.82-12,836.40

Finding the Fourth Proportional to 46,119.80, 69,172.82 and 12,836.40

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Solution

The fourth proportional to 46,119.80, 69,172.82 and 12,836.40 is: 19,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,119.80 : 69,172.82 = 12,836.40 : x
  2. Step 2: Convert to fraction form
    46,119.80/69,172.82 = 12,836.40/x
  3. Step 3: Cross multiply
    46,119.80x = 69,172.82 × 12,836.40
  4. Step 4: Simplify right side
    46,119.80x = 887,929,711.20
  5. Step 5: Solve for x
    x = 887,929,711.20/46,119.80
  6. Step 6: Final answer
    x = 19,252.68

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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.