Home / 84,976.68-117,270-47,253.36

Finding the Fourth Proportional to 84,976.68, 117,270 and 47,253.36

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Solution

The fourth proportional to 84,976.68, 117,270 and 47,253.36 is: 65,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.68 : 117,270 = 47,253.36 : x
  2. Step 2: Convert to fraction form
    84,976.68/117,270 = 47,253.36/x
  3. Step 3: Cross multiply
    84,976.68x = 117,270 × 47,253.36
  4. Step 4: Simplify right side
    84,976.68x = 5,541,401,527.20
  5. Step 5: Solve for x
    x = 5,541,401,527.20/84,976.68
  6. Step 6: Final answer
    x = 65,210.85

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1.5x scale

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.