Home / 76,422.60-114,650.10-23,110.20

Finding the Fourth Proportional to 76,422.60, 114,650.10 and 23,110.20

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Solution

The fourth proportional to 76,422.60, 114,650.10 and 23,110.20 is: 34,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.60 : 114,650.10 = 23,110.20 : x
  2. Step 2: Convert to fraction form
    76,422.60/114,650.10 = 23,110.20/x
  3. Step 3: Cross multiply
    76,422.60x = 114,650.10 × 23,110.20
  4. Step 4: Simplify right side
    76,422.60x = 2,649,586,741.02
  5. Step 5: Solve for x
    x = 2,649,586,741.02/76,422.60
  6. Step 6: Final answer
    x = 34,670.20

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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.