Home / 109,905.60-151,670.40-59,604.48

Finding the Fourth Proportional to 109,905.60, 151,670.40 and 59,604.48

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Solution

The fourth proportional to 109,905.60, 151,670.40 and 59,604.48 is: 82,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.60 : 151,670.40 = 59,604.48 : x
  2. Step 2: Convert to fraction form
    109,905.60/151,670.40 = 59,604.48/x
  3. Step 3: Cross multiply
    109,905.60x = 151,670.40 × 59,604.48
  4. Step 4: Simplify right side
    109,905.60x = 9,040,235,323.39
  5. Step 5: Solve for x
    x = 9,040,235,323.39/109,905.60
  6. Step 6: Final answer
    x = 82,254.55

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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.