Home / 65,814.44-98,731.98-28,385.15

Finding the Fourth Proportional to 65,814.44, 98,731.98 and 28,385.15

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Solution

The fourth proportional to 65,814.44, 98,731.98 and 28,385.15 is: 42,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,814.44 : 98,731.98 = 28,385.15 : x
  2. Step 2: Convert to fraction form
    65,814.44/98,731.98 = 28,385.15/x
  3. Step 3: Cross multiply
    65,814.44x = 98,731.98 × 28,385.15
  4. Step 4: Simplify right side
    65,814.44x = 2,802,521,568.44
  5. Step 5: Solve for x
    x = 2,802,521,568.44/65,814.44
  6. Step 6: Final answer
    x = 42,582.17

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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.