Home / 79,370.15-109,533.96-43,561.46

Finding the Fourth Proportional to 79,370.15, 109,533.96 and 43,561.46

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Solution

The fourth proportional to 79,370.15, 109,533.96 and 43,561.46 is: 60,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.15 : 109,533.96 = 43,561.46 : x
  2. Step 2: Convert to fraction form
    79,370.15/109,533.96 = 43,561.46/x
  3. Step 3: Cross multiply
    79,370.15x = 109,533.96 × 43,561.46
  4. Step 4: Simplify right side
    79,370.15x = 4,771,459,217.18
  5. Step 5: Solve for x
    x = 4,771,459,217.18/79,370.15
  6. Step 6: Final answer
    x = 60,116.55

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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.