Home / 76,515.80-114,755.48-32,143.42

Finding the Fourth Proportional to 76,515.80, 114,755.48 and 32,143.42

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Solution

The fourth proportional to 76,515.80, 114,755.48 and 32,143.42 is: 48,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,515.80 : 114,755.48 = 32,143.42 : x
  2. Step 2: Convert to fraction form
    76,515.80/114,755.48 = 32,143.42/x
  3. Step 3: Cross multiply
    76,515.80x = 114,755.48 × 32,143.42
  4. Step 4: Simplify right side
    76,515.80x = 3,688,633,143.34
  5. Step 5: Solve for x
    x = 3,688,633,143.34/76,515.80
  6. Step 6: Final answer
    x = 48,207.47

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1.5x scale

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.