Home / 76,209.24-114,245.80-38,748.36

Finding the Fourth Proportional to 76,209.24, 114,245.80 and 38,748.36

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Solution

The fourth proportional to 76,209.24, 114,245.80 and 38,748.36 is: 58,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209.24 : 114,245.80 = 38,748.36 : x
  2. Step 2: Convert to fraction form
    76,209.24/114,245.80 = 38,748.36/x
  3. Step 3: Cross multiply
    76,209.24x = 114,245.80 × 38,748.36
  4. Step 4: Simplify right side
    76,209.24x = 4,426,837,386.89
  5. Step 5: Solve for x
    x = 4,426,837,386.89/76,209.24
  6. Step 6: Final answer
    x = 58,087.94

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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.