Home / 103,638.08-155,457.12-33,522.86

Finding the Fourth Proportional to 103,638.08, 155,457.12 and 33,522.86

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Solution

The fourth proportional to 103,638.08, 155,457.12 and 33,522.86 is: 50,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.08 : 155,457.12 = 33,522.86 : x
  2. Step 2: Convert to fraction form
    103,638.08/155,457.12 = 33,522.86/x
  3. Step 3: Cross multiply
    103,638.08x = 155,457.12 × 33,522.86
  4. Step 4: Simplify right side
    103,638.08x = 5,211,367,269.76
  5. Step 5: Solve for x
    x = 5,211,367,269.76/103,638.08
  6. Step 6: Final answer
    x = 50,284.29

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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.