Home / 76,825.26-115,253.55-43,560.18

Finding the Fourth Proportional to 76,825.26, 115,253.55 and 43,560.18

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Solution

The fourth proportional to 76,825.26, 115,253.55 and 43,560.18 is: 65,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,825.26 : 115,253.55 = 43,560.18 : x
  2. Step 2: Convert to fraction form
    76,825.26/115,253.55 = 43,560.18/x
  3. Step 3: Cross multiply
    76,825.26x = 115,253.55 × 43,560.18
  4. Step 4: Simplify right side
    76,825.26x = 5,020,465,383.64
  5. Step 5: Solve for x
    x = 5,020,465,383.64/76,825.26
  6. Step 6: Final answer
    x = 65,349.15

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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.