Home / 90,856.44-125,434.05-60,741.45

Finding the Fourth Proportional to 90,856.44, 125,434.05 and 60,741.45

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Solution

The fourth proportional to 90,856.44, 125,434.05 and 60,741.45 is: 83,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856.44 : 125,434.05 = 60,741.45 : x
  2. Step 2: Convert to fraction form
    90,856.44/125,434.05 = 60,741.45/x
  3. Step 3: Cross multiply
    90,856.44x = 125,434.05 × 60,741.45
  4. Step 4: Simplify right side
    90,856.44x = 7,619,046,076.37
  5. Step 5: Solve for x
    x = 7,619,046,076.37/90,856.44
  6. Step 6: Final answer
    x = 83,858.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.