Home / 79,130.54-109,196.04-43,313.76

Finding the Fourth Proportional to 79,130.54, 109,196.04 and 43,313.76

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Solution

The fourth proportional to 79,130.54, 109,196.04 and 43,313.76 is: 59,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130.54 : 109,196.04 = 43,313.76 : x
  2. Step 2: Convert to fraction form
    79,130.54/109,196.04 = 43,313.76/x
  3. Step 3: Cross multiply
    79,130.54x = 109,196.04 × 43,313.76
  4. Step 4: Simplify right side
    79,130.54x = 4,729,691,069.51
  5. Step 5: Solve for x
    x = 4,729,691,069.51/79,130.54
  6. Step 6: Final answer
    x = 59,770.75

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1.5x scale

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.