Home / 109,063.40-163,598.75-30,171.02

Finding the Fourth Proportional to 109,063.40, 163,598.75 and 30,171.02

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Solution

The fourth proportional to 109,063.40, 163,598.75 and 30,171.02 is: 45,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,063.40 : 163,598.75 = 30,171.02 : x
  2. Step 2: Convert to fraction form
    109,063.40/163,598.75 = 30,171.02/x
  3. Step 3: Cross multiply
    109,063.40x = 163,598.75 × 30,171.02
  4. Step 4: Simplify right side
    109,063.40x = 4,935,941,347.85
  5. Step 5: Solve for x
    x = 4,935,941,347.85/109,063.40
  6. Step 6: Final answer
    x = 45,257.54

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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.