Home / 46,870.27-70,309.91-13,136.30

Finding the Fourth Proportional to 46,870.27, 70,309.91 and 13,136.30

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Solution

The fourth proportional to 46,870.27, 70,309.91 and 13,136.30 is: 19,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,870.27 : 70,309.91 = 13,136.30 : x
  2. Step 2: Convert to fraction form
    46,870.27/70,309.91 = 13,136.30/x
  3. Step 3: Cross multiply
    46,870.27x = 70,309.91 × 13,136.30
  4. Step 4: Simplify right side
    46,870.27x = 923,612,070.73
  5. Step 5: Solve for x
    x = 923,612,070.73/46,870.27
  6. Step 6: Final answer
    x = 19,705.71

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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.