Home / 82,336.23-113,704.74-70,329.60

Finding the Fourth Proportional to 82,336.23, 113,704.74 and 70,329.60

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Solution

The fourth proportional to 82,336.23, 113,704.74 and 70,329.60 is: 97,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,336.23 : 113,704.74 = 70,329.60 : x
  2. Step 2: Convert to fraction form
    82,336.23/113,704.74 = 70,329.60/x
  3. Step 3: Cross multiply
    82,336.23x = 113,704.74 × 70,329.60
  4. Step 4: Simplify right side
    82,336.23x = 7,996,808,882.30
  5. Step 5: Solve for x
    x = 7,996,808,882.30/82,336.23
  6. Step 6: Final answer
    x = 97,123.82

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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.