Home / 79,436.75-109,574.57-47,150.08

Finding the Fourth Proportional to 79,436.75, 109,574.57 and 47,150.08

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Solution

The fourth proportional to 79,436.75, 109,574.57 and 47,150.08 is: 65,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.75 : 109,574.57 = 47,150.08 : x
  2. Step 2: Convert to fraction form
    79,436.75/109,574.57 = 47,150.08/x
  3. Step 3: Cross multiply
    79,436.75x = 109,574.57 × 47,150.08
  4. Step 4: Simplify right side
    79,436.75x = 5,166,450,201.76
  5. Step 5: Solve for x
    x = 5,166,450,201.76/79,436.75
  6. Step 6: Final answer
    x = 65,038.54

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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.