Home / 51,377.72-76,813.42-43,567.40

Finding the Fourth Proportional to 51,377.72, 76,813.42 and 43,567.40

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Solution

The fourth proportional to 51,377.72, 76,813.42 and 43,567.40 is: 65,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.72 : 76,813.42 = 43,567.40 : x
  2. Step 2: Convert to fraction form
    51,377.72/76,813.42 = 43,567.40/x
  3. Step 3: Cross multiply
    51,377.72x = 76,813.42 × 43,567.40
  4. Step 4: Simplify right side
    51,377.72x = 3,346,560,994.51
  5. Step 5: Solve for x
    x = 3,346,560,994.51/51,377.72
  6. Step 6: Final answer
    x = 65,136.42

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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.