Home / 76,310.64-114,401.36-28,899.59

Finding the Fourth Proportional to 76,310.64, 114,401.36 and 28,899.59

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Solution

The fourth proportional to 76,310.64, 114,401.36 and 28,899.59 is: 43,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310.64 : 114,401.36 = 28,899.59 : x
  2. Step 2: Convert to fraction form
    76,310.64/114,401.36 = 28,899.59/x
  3. Step 3: Cross multiply
    76,310.64x = 114,401.36 × 28,899.59
  4. Step 4: Simplify right side
    76,310.64x = 3,306,152,864.95
  5. Step 5: Solve for x
    x = 3,306,152,864.95/76,310.64
  6. Step 6: Final answer
    x = 43,324.93

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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.