Home / 46,136.85-69,205.32-12,857.01

Finding the Fourth Proportional to 46,136.85, 69,205.32 and 12,857.01

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Solution

The fourth proportional to 46,136.85, 69,205.32 and 12,857.01 is: 19,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,136.85 : 69,205.32 = 12,857.01 : x
  2. Step 2: Convert to fraction form
    46,136.85/69,205.32 = 12,857.01/x
  3. Step 3: Cross multiply
    46,136.85x = 69,205.32 × 12,857.01
  4. Step 4: Simplify right side
    46,136.85x = 889,773,491.29
  5. Step 5: Solve for x
    x = 889,773,491.29/46,136.85
  6. Step 6: Final answer
    x = 19,285.53

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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.