Home / 75,421.75-113,157.19-35,973.73

Finding the Fourth Proportional to 75,421.75, 113,157.19 and 35,973.73

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Solution

The fourth proportional to 75,421.75, 113,157.19 and 35,973.73 is: 53,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,421.75 : 113,157.19 = 35,973.73 : x
  2. Step 2: Convert to fraction form
    75,421.75/113,157.19 = 35,973.73/x
  3. Step 3: Cross multiply
    75,421.75x = 113,157.19 × 35,973.73
  4. Step 4: Simplify right side
    75,421.75x = 4,070,685,724.77
  5. Step 5: Solve for x
    x = 4,070,685,724.77/75,421.75
  6. Step 6: Final answer
    x = 53,972.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.