Home / 51,092.36-70,506.78-28,736.36

Finding the Fourth Proportional to 51,092.36, 70,506.78 and 28,736.36

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Solution

The fourth proportional to 51,092.36, 70,506.78 and 28,736.36 is: 39,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,092.36 : 70,506.78 = 28,736.36 : x
  2. Step 2: Convert to fraction form
    51,092.36/70,506.78 = 28,736.36/x
  3. Step 3: Cross multiply
    51,092.36x = 70,506.78 × 28,736.36
  4. Step 4: Simplify right side
    51,092.36x = 2,026,108,212.52
  5. Step 5: Solve for x
    x = 2,026,108,212.52/51,092.36
  6. Step 6: Final answer
    x = 39,655.80

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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.