Home / 107,451.44-148,245.09-61,477.50

Finding the Fourth Proportional to 107,451.44, 148,245.09 and 61,477.50

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Solution

The fourth proportional to 107,451.44, 148,245.09 and 61,477.50 is: 84,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,451.44 : 148,245.09 = 61,477.50 : x
  2. Step 2: Convert to fraction form
    107,451.44/148,245.09 = 61,477.50/x
  3. Step 3: Cross multiply
    107,451.44x = 148,245.09 × 61,477.50
  4. Step 4: Simplify right side
    107,451.44x = 9,113,737,520.48
  5. Step 5: Solve for x
    x = 9,113,737,520.48/107,451.44
  6. Step 6: Final answer
    x = 84,817.27

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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.