Home / 101,786.80-140,466.56-55,846.13

Finding the Fourth Proportional to 101,786.80, 140,466.56 and 55,846.13

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Solution

The fourth proportional to 101,786.80, 140,466.56 and 55,846.13 is: 77,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,786.80 : 140,466.56 = 55,846.13 : x
  2. Step 2: Convert to fraction form
    101,786.80/140,466.56 = 55,846.13/x
  3. Step 3: Cross multiply
    101,786.80x = 140,466.56 × 55,846.13
  4. Step 4: Simplify right side
    101,786.80x = 7,844,513,770.41
  5. Step 5: Solve for x
    x = 7,844,513,770.41/101,786.80
  6. Step 6: Final answer
    x = 77,068.09

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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.