Home / 76,402.42-114,627.10-36,472.36

Finding the Fourth Proportional to 76,402.42, 114,627.10 and 36,472.36

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Solution

The fourth proportional to 76,402.42, 114,627.10 and 36,472.36 is: 54,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,402.42 : 114,627.10 = 36,472.36 : x
  2. Step 2: Convert to fraction form
    76,402.42/114,627.10 = 36,472.36/x
  3. Step 3: Cross multiply
    76,402.42x = 114,627.10 × 36,472.36
  4. Step 4: Simplify right side
    76,402.42x = 4,180,720,856.96
  5. Step 5: Solve for x
    x = 4,180,720,856.96/76,402.42
  6. Step 6: Final answer
    x = 54,719.74

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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.