Home / 51,205.96-70,664.06-28,544.70

Finding the Fourth Proportional to 51,205.96, 70,664.06 and 28,544.70

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Solution

The fourth proportional to 51,205.96, 70,664.06 and 28,544.70 is: 39,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.96 : 70,664.06 = 28,544.70 : x
  2. Step 2: Convert to fraction form
    51,205.96/70,664.06 = 28,544.70/x
  3. Step 3: Cross multiply
    51,205.96x = 70,664.06 × 28,544.70
  4. Step 4: Simplify right side
    51,205.96x = 2,017,084,393.48
  5. Step 5: Solve for x
    x = 2,017,084,393.48/51,205.96
  6. Step 6: Final answer
    x = 39,391.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.