Home / 74,024.72-102,154.92-40,033.86

Finding the Fourth Proportional to 74,024.72, 102,154.92 and 40,033.86

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Solution

The fourth proportional to 74,024.72, 102,154.92 and 40,033.86 is: 55,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.72 : 102,154.92 = 40,033.86 : x
  2. Step 2: Convert to fraction form
    74,024.72/102,154.92 = 40,033.86/x
  3. Step 3: Cross multiply
    74,024.72x = 102,154.92 × 40,033.86
  4. Step 4: Simplify right side
    74,024.72x = 4,089,655,765.59
  5. Step 5: Solve for x
    x = 4,089,655,765.59/74,024.72
  6. Step 6: Final answer
    x = 55,247.16

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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.