Home / 76,254.21-114,358.30-28,853.42

Finding the Fourth Proportional to 76,254.21, 114,358.30 and 28,853.42

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Solution

The fourth proportional to 76,254.21, 114,358.30 and 28,853.42 is: 43,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.21 : 114,358.30 = 28,853.42 : x
  2. Step 2: Convert to fraction form
    76,254.21/114,358.30 = 28,853.42/x
  3. Step 3: Cross multiply
    76,254.21x = 114,358.30 × 28,853.42
  4. Step 4: Simplify right side
    76,254.21x = 3,299,627,416.46
  5. Step 5: Solve for x
    x = 3,299,627,416.46/76,254.21
  6. Step 6: Final answer
    x = 43,271.41

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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.