Home / 90,080.64-135,169.14-58,483.26

Finding the Fourth Proportional to 90,080.64, 135,169.14 and 58,483.26

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Solution

The fourth proportional to 90,080.64, 135,169.14 and 58,483.26 is: 87,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,080.64 : 135,169.14 = 58,483.26 : x
  2. Step 2: Convert to fraction form
    90,080.64/135,169.14 = 58,483.26/x
  3. Step 3: Cross multiply
    90,080.64x = 135,169.14 × 58,483.26
  4. Step 4: Simplify right side
    90,080.64x = 7,905,131,958.60
  5. Step 5: Solve for x
    x = 7,905,131,958.60/90,080.64
  6. Step 6: Final answer
    x = 87,756.17

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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.