Home / 79,294.07-109,428.98-43,485.37

Finding the Fourth Proportional to 79,294.07, 109,428.98 and 43,485.37

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Solution

The fourth proportional to 79,294.07, 109,428.98 and 43,485.37 is: 60,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,294.07 : 109,428.98 = 43,485.37 : x
  2. Step 2: Convert to fraction form
    79,294.07/109,428.98 = 43,485.37/x
  3. Step 3: Cross multiply
    79,294.07x = 109,428.98 × 43,485.37
  4. Step 4: Simplify right side
    79,294.07x = 4,758,559,193.02
  5. Step 5: Solve for x
    x = 4,758,559,193.02/79,294.07
  6. Step 6: Final answer
    x = 60,011.54

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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.