Home / 91,983.36-126,936.84-51,698.76

Finding the Fourth Proportional to 91,983.36, 126,936.84 and 51,698.76

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Solution

The fourth proportional to 91,983.36, 126,936.84 and 51,698.76 is: 71,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,983.36 : 126,936.84 = 51,698.76 : x
  2. Step 2: Convert to fraction form
    91,983.36/126,936.84 = 51,698.76/x
  3. Step 3: Cross multiply
    91,983.36x = 126,936.84 × 51,698.76
  4. Step 4: Simplify right side
    91,983.36x = 6,562,477,226.32
  5. Step 5: Solve for x
    x = 6,562,477,226.32/91,983.36
  6. Step 6: Final answer
    x = 71,344.18

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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.