Home / 76,220.40-114,330.60-23,635.20

Finding the Fourth Proportional to 76,220.40, 114,330.60 and 23,635.20

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Solution

The fourth proportional to 76,220.40, 114,330.60 and 23,635.20 is: 35,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,220.40 : 114,330.60 = 23,635.20 : x
  2. Step 2: Convert to fraction form
    76,220.40/114,330.60 = 23,635.20/x
  3. Step 3: Cross multiply
    76,220.40x = 114,330.60 × 23,635.20
  4. Step 4: Simplify right side
    76,220.40x = 2,702,226,597.12
  5. Step 5: Solve for x
    x = 2,702,226,597.12/76,220.40
  6. Step 6: Final answer
    x = 35,452.80

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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.