Home / 90,077.64-135,164.63-58,480.26

Finding the Fourth Proportional to 90,077.64, 135,164.63 and 58,480.26

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Solution

The fourth proportional to 90,077.64, 135,164.63 and 58,480.26 is: 87,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.64 : 135,164.63 = 58,480.26 : x
  2. Step 2: Convert to fraction form
    90,077.64/135,164.63 = 58,480.26/x
  3. Step 3: Cross multiply
    90,077.64x = 135,164.63 × 58,480.26
  4. Step 4: Simplify right side
    90,077.64x = 7,904,463,104.84
  5. Step 5: Solve for x
    x = 7,904,463,104.84/90,077.64
  6. Step 6: Final answer
    x = 87,751.67

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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.