Home / 109,231.14-163,865.40-50,071.89

Finding the Fourth Proportional to 109,231.14, 163,865.40 and 50,071.89

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Solution

The fourth proportional to 109,231.14, 163,865.40 and 50,071.89 is: 75,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,231.14 : 163,865.40 = 50,071.89 : x
  2. Step 2: Convert to fraction form
    109,231.14/163,865.40 = 50,071.89/x
  3. Step 3: Cross multiply
    109,231.14x = 163,865.40 × 50,071.89
  4. Step 4: Simplify right side
    109,231.14x = 8,205,050,283.61
  5. Step 5: Solve for x
    x = 8,205,050,283.61/109,231.14
  6. Step 6: Final answer
    x = 75,116.40

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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.