Home / 107,511.80-148,353.36-59,105.75

Finding the Fourth Proportional to 107,511.80, 148,353.36 and 59,105.75

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Solution

The fourth proportional to 107,511.80, 148,353.36 and 59,105.75 is: 81,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511.80 : 148,353.36 = 59,105.75 : x
  2. Step 2: Convert to fraction form
    107,511.80/148,353.36 = 59,105.75/x
  3. Step 3: Cross multiply
    107,511.80x = 148,353.36 × 59,105.75
  4. Step 4: Simplify right side
    107,511.80x = 8,768,535,866.05
  5. Step 5: Solve for x
    x = 8,768,535,866.05/107,511.80
  6. Step 6: Final answer
    x = 81,558.83

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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.