Home / 79,370.76-109,534.80-43,562.04

Finding the Fourth Proportional to 79,370.76, 109,534.80 and 43,562.04

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Solution

The fourth proportional to 79,370.76, 109,534.80 and 43,562.04 is: 60,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.76 : 109,534.80 = 43,562.04 : x
  2. Step 2: Convert to fraction form
    79,370.76/109,534.80 = 43,562.04/x
  3. Step 3: Cross multiply
    79,370.76x = 109,534.80 × 43,562.04
  4. Step 4: Simplify right side
    79,370.76x = 4,771,559,338.99
  5. Step 5: Solve for x
    x = 4,771,559,338.99/79,370.76
  6. Step 6: Final answer
    x = 60,117.34

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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.