Home / 65,514.28-98,075.56-40,133.84

Finding the Fourth Proportional to 65,514.28, 98,075.56 and 40,133.84

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Solution

The fourth proportional to 65,514.28, 98,075.56 and 40,133.84 is: 60,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,514.28 : 98,075.56 = 40,133.84 : x
  2. Step 2: Convert to fraction form
    65,514.28/98,075.56 = 40,133.84/x
  3. Step 3: Cross multiply
    65,514.28x = 98,075.56 × 40,133.84
  4. Step 4: Simplify right side
    65,514.28x = 3,936,148,832.95
  5. Step 5: Solve for x
    x = 3,936,148,832.95/65,514.28
  6. Step 6: Final answer
    x = 60,080.78

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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.