Home / 76,844.49-115,239-32,474.67

Finding the Fourth Proportional to 76,844.49, 115,239 and 32,474.67

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Solution

The fourth proportional to 76,844.49, 115,239 and 32,474.67 is: 48,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,844.49 : 115,239 = 32,474.67 : x
  2. Step 2: Convert to fraction form
    76,844.49/115,239 = 32,474.67/x
  3. Step 3: Cross multiply
    76,844.49x = 115,239 × 32,474.67
  4. Step 4: Simplify right side
    76,844.49x = 3,742,348,496.13
  5. Step 5: Solve for x
    x = 3,742,348,496.13/76,844.49
  6. Step 6: Final answer
    x = 48,700.28

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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.