Home / 74,364.44-102,623-40,372.92

Finding the Fourth Proportional to 74,364.44, 102,623 and 40,372.92

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Solution

The fourth proportional to 74,364.44, 102,623 and 40,372.92 is: 55,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.44 : 102,623 = 40,372.92 : x
  2. Step 2: Convert to fraction form
    74,364.44/102,623 = 40,372.92/x
  3. Step 3: Cross multiply
    74,364.44x = 102,623 × 40,372.92
  4. Step 4: Simplify right side
    74,364.44x = 4,143,190,169.16
  5. Step 5: Solve for x
    x = 4,143,190,169.16/74,364.44
  6. Step 6: Final answer
    x = 55,714.67

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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.