Home / 74,224.20-111,239.10-29,814.60

Finding the Fourth Proportional to 74,224.20, 111,239.10 and 29,814.60

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Solution

The fourth proportional to 74,224.20, 111,239.10 and 29,814.60 is: 44,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.20 : 111,239.10 = 29,814.60 : x
  2. Step 2: Convert to fraction form
    74,224.20/111,239.10 = 29,814.60/x
  3. Step 3: Cross multiply
    74,224.20x = 111,239.10 × 29,814.60
  4. Step 4: Simplify right side
    74,224.20x = 3,316,549,270.86
  5. Step 5: Solve for x
    x = 3,316,549,270.86/74,224.20
  6. Step 6: Final answer
    x = 44,682.86

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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.