Home / 73,175.07-100,998.47-47,636.96

Finding the Fourth Proportional to 73,175.07, 100,998.47 and 47,636.96

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Solution

The fourth proportional to 73,175.07, 100,998.47 and 47,636.96 is: 65,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.07 : 100,998.47 = 47,636.96 : x
  2. Step 2: Convert to fraction form
    73,175.07/100,998.47 = 47,636.96/x
  3. Step 3: Cross multiply
    73,175.07x = 100,998.47 × 47,636.96
  4. Step 4: Simplify right side
    73,175.07x = 4,811,259,570.46
  5. Step 5: Solve for x
    x = 4,811,259,570.46/73,175.07
  6. Step 6: Final answer
    x = 65,749.98

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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.