Home / 60,128.76-90,225.14-33,835.35

Finding the Fourth Proportional to 60,128.76, 90,225.14 and 33,835.35

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Solution

The fourth proportional to 60,128.76, 90,225.14 and 33,835.35 is: 50,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,128.76 : 90,225.14 = 33,835.35 : x
  2. Step 2: Convert to fraction form
    60,128.76/90,225.14 = 33,835.35/x
  3. Step 3: Cross multiply
    60,128.76x = 90,225.14 × 33,835.35
  4. Step 4: Simplify right side
    60,128.76x = 3,052,799,021.52
  5. Step 5: Solve for x
    x = 3,052,799,021.52/60,128.76
  6. Step 6: Final answer
    x = 50,771.03

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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.