Home / 79,025.64-109,074.63-66,258.55

Finding the Fourth Proportional to 79,025.64, 109,074.63 and 66,258.55

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Solution

The fourth proportional to 79,025.64, 109,074.63 and 66,258.55 is: 91,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.64 : 109,074.63 = 66,258.55 : x
  2. Step 2: Convert to fraction form
    79,025.64/109,074.63 = 66,258.55/x
  3. Step 3: Cross multiply
    79,025.64x = 109,074.63 × 66,258.55
  4. Step 4: Simplify right side
    79,025.64x = 7,227,126,825.59
  5. Step 5: Solve for x
    x = 7,227,126,825.59/79,025.64
  6. Step 6: Final answer
    x = 91,452.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.