Home / 91,023.26-125,610-52,789.64

Finding the Fourth Proportional to 91,023.26, 125,610 and 52,789.64

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Solution

The fourth proportional to 91,023.26, 125,610 and 52,789.64 is: 72,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.26 : 125,610 = 52,789.64 : x
  2. Step 2: Convert to fraction form
    91,023.26/125,610 = 52,789.64/x
  3. Step 3: Cross multiply
    91,023.26x = 125,610 × 52,789.64
  4. Step 4: Simplify right side
    91,023.26x = 6,630,906,680.40
  5. Step 5: Solve for x
    x = 6,630,906,680.40/91,023.26
  6. Step 6: Final answer
    x = 72,848.49

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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.