Home / 65,719.14-98,648.88-28,297.74

Finding the Fourth Proportional to 65,719.14, 98,648.88 and 28,297.74

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Solution

The fourth proportional to 65,719.14, 98,648.88 and 28,297.74 is: 42,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,719.14 : 98,648.88 = 28,297.74 : x
  2. Step 2: Convert to fraction form
    65,719.14/98,648.88 = 28,297.74/x
  3. Step 3: Cross multiply
    65,719.14x = 98,648.88 × 28,297.74
  4. Step 4: Simplify right side
    65,719.14x = 2,791,540,357.53
  5. Step 5: Solve for x
    x = 2,791,540,357.53/65,719.14
  6. Step 6: Final answer
    x = 42,476.82

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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.