Home / 103,447.13-155,208.08-50,893.52

Finding the Fourth Proportional to 103,447.13, 155,208.08 and 50,893.52

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Solution

The fourth proportional to 103,447.13, 155,208.08 and 50,893.52 is: 76,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,447.13 : 155,208.08 = 50,893.52 : x
  2. Step 2: Convert to fraction form
    103,447.13/155,208.08 = 50,893.52/x
  3. Step 3: Cross multiply
    103,447.13x = 155,208.08 × 50,893.52
  4. Step 4: Simplify right side
    103,447.13x = 7,899,084,874.83
  5. Step 5: Solve for x
    x = 7,899,084,874.83/103,447.13
  6. Step 6: Final answer
    x = 76,358.67

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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.