Home / 74,260.35-102,519.11-57,352.11

Finding the Fourth Proportional to 74,260.35, 102,519.11 and 57,352.11

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Solution

The fourth proportional to 74,260.35, 102,519.11 and 57,352.11 is: 79,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.35 : 102,519.11 = 57,352.11 : x
  2. Step 2: Convert to fraction form
    74,260.35/102,519.11 = 57,352.11/x
  3. Step 3: Cross multiply
    74,260.35x = 102,519.11 × 57,352.11
  4. Step 4: Simplify right side
    74,260.35x = 5,879,686,987.06
  5. Step 5: Solve for x
    x = 5,879,686,987.06/74,260.35
  6. Step 6: Final answer
    x = 79,176.67

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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.