Home / 70,516.19-97,314.39-40,306.43

Finding the Fourth Proportional to 70,516.19, 97,314.39 and 40,306.43

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Solution

The fourth proportional to 70,516.19, 97,314.39 and 40,306.43 is: 55,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.19 : 97,314.39 = 40,306.43 : x
  2. Step 2: Convert to fraction form
    70,516.19/97,314.39 = 40,306.43/x
  3. Step 3: Cross multiply
    70,516.19x = 97,314.39 × 40,306.43
  4. Step 4: Simplify right side
    70,516.19x = 3,922,395,891.81
  5. Step 5: Solve for x
    x = 3,922,395,891.81/70,516.19
  6. Step 6: Final answer
    x = 55,624.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.