Home / 74,923.23-112,401.27-28,176.09

Finding the Fourth Proportional to 74,923.23, 112,401.27 and 28,176.09

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Solution

The fourth proportional to 74,923.23, 112,401.27 and 28,176.09 is: 42,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.23 : 112,401.27 = 28,176.09 : x
  2. Step 2: Convert to fraction form
    74,923.23/112,401.27 = 28,176.09/x
  3. Step 3: Cross multiply
    74,923.23x = 112,401.27 × 28,176.09
  4. Step 4: Simplify right side
    74,923.23x = 3,167,028,299.63
  5. Step 5: Solve for x
    x = 3,167,028,299.63/74,923.23
  6. Step 6: Final answer
    x = 42,270.31

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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.