Home / 74,923.22-112,401.26-28,176.10

Finding the Fourth Proportional to 74,923.22, 112,401.26 and 28,176.10

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Solution

The fourth proportional to 74,923.22, 112,401.26 and 28,176.10 is: 42,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.22 : 112,401.26 = 28,176.10 : x
  2. Step 2: Convert to fraction form
    74,923.22/112,401.26 = 28,176.10/x
  3. Step 3: Cross multiply
    74,923.22x = 112,401.26 × 28,176.10
  4. Step 4: Simplify right side
    74,923.22x = 3,167,029,141.89
  5. Step 5: Solve for x
    x = 3,167,029,141.89/74,923.22
  6. Step 6: Final answer
    x = 42,270.33

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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.