Home / 65,521.20-98,281.80-16,273.20

Finding the Fourth Proportional to 65,521.20, 98,281.80 and 16,273.20

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Solution

The fourth proportional to 65,521.20, 98,281.80 and 16,273.20 is: 24,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,521.20 : 98,281.80 = 16,273.20 : x
  2. Step 2: Convert to fraction form
    65,521.20/98,281.80 = 16,273.20/x
  3. Step 3: Cross multiply
    65,521.20x = 98,281.80 × 16,273.20
  4. Step 4: Simplify right side
    65,521.20x = 1,599,359,387.76
  5. Step 5: Solve for x
    x = 1,599,359,387.76/65,521.20
  6. Step 6: Final answer
    x = 24,409.80

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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.