Home / 49,681.15-68,539.76-28,166.36

Finding the Fourth Proportional to 49,681.15, 68,539.76 and 28,166.36

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Solution

The fourth proportional to 49,681.15, 68,539.76 and 28,166.36 is: 38,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.15 : 68,539.76 = 28,166.36 : x
  2. Step 2: Convert to fraction form
    49,681.15/68,539.76 = 28,166.36/x
  3. Step 3: Cross multiply
    49,681.15x = 68,539.76 × 28,166.36
  4. Step 4: Simplify right side
    49,681.15x = 1,930,515,176.57
  5. Step 5: Solve for x
    x = 1,930,515,176.57/49,681.15
  6. Step 6: Final answer
    x = 38,858.10

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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.