Home / 84,966.40-127,274.56-49,821.32

Finding the Fourth Proportional to 84,966.40, 127,274.56 and 49,821.32

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Solution

The fourth proportional to 84,966.40, 127,274.56 and 49,821.32 is: 74,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.40 : 127,274.56 = 49,821.32 : x
  2. Step 2: Convert to fraction form
    84,966.40/127,274.56 = 49,821.32/x
  3. Step 3: Cross multiply
    84,966.40x = 127,274.56 × 49,821.32
  4. Step 4: Simplify right side
    84,966.40x = 6,340,986,581.62
  5. Step 5: Solve for x
    x = 6,340,986,581.62/84,966.40
  6. Step 6: Final answer
    x = 74,629.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.