Home / 76,445.76-114,649.20-29,673.12

Finding the Fourth Proportional to 76,445.76, 114,649.20 and 29,673.12

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Solution

The fourth proportional to 76,445.76, 114,649.20 and 29,673.12 is: 44,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,445.76 : 114,649.20 = 29,673.12 : x
  2. Step 2: Convert to fraction form
    76,445.76/114,649.20 = 29,673.12/x
  3. Step 3: Cross multiply
    76,445.76x = 114,649.20 × 29,673.12
  4. Step 4: Simplify right side
    76,445.76x = 3,401,999,469.50
  5. Step 5: Solve for x
    x = 3,401,999,469.50/76,445.76
  6. Step 6: Final answer
    x = 44,502.13

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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.