Home / 65,680.58-98,552.97-40,713.95

Finding the Fourth Proportional to 65,680.58, 98,552.97 and 40,713.95

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Solution

The fourth proportional to 65,680.58, 98,552.97 and 40,713.95 is: 61,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,680.58 : 98,552.97 = 40,713.95 : x
  2. Step 2: Convert to fraction form
    65,680.58/98,552.97 = 40,713.95/x
  3. Step 3: Cross multiply
    65,680.58x = 98,552.97 × 40,713.95
  4. Step 4: Simplify right side
    65,680.58x = 4,012,480,939.31
  5. Step 5: Solve for x
    x = 4,012,480,939.31/65,680.58
  6. Step 6: Final answer
    x = 61,090.82

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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.