Home / 51,287.14-70,776.34-28,626.13

Finding the Fourth Proportional to 51,287.14, 70,776.34 and 28,626.13

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Solution

The fourth proportional to 51,287.14, 70,776.34 and 28,626.13 is: 39,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.14 : 70,776.34 = 28,626.13 : x
  2. Step 2: Convert to fraction form
    51,287.14/70,776.34 = 28,626.13/x
  3. Step 3: Cross multiply
    51,287.14x = 70,776.34 × 28,626.13
  4. Step 4: Simplify right side
    51,287.14x = 2,026,052,576.60
  5. Step 5: Solve for x
    x = 2,026,052,576.60/51,287.14
  6. Step 6: Final answer
    x = 39,504.10

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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.