Home / 65,939.30-98,897.46-18,543.12

Finding the Fourth Proportional to 65,939.30, 98,897.46 and 18,543.12

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Solution

The fourth proportional to 65,939.30, 98,897.46 and 18,543.12 is: 27,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,939.30 : 98,897.46 = 18,543.12 : x
  2. Step 2: Convert to fraction form
    65,939.30/98,897.46 = 18,543.12/x
  3. Step 3: Cross multiply
    65,939.30x = 98,897.46 × 18,543.12
  4. Step 4: Simplify right side
    65,939.30x = 1,833,867,468.48
  5. Step 5: Solve for x
    x = 1,833,867,468.48/65,939.30
  6. Step 6: Final answer
    x = 27,811.45

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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.