Home / 84,738.17-127,107.41-34,783.45

Finding the Fourth Proportional to 84,738.17, 127,107.41 and 34,783.45

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Solution

The fourth proportional to 84,738.17, 127,107.41 and 34,783.45 is: 52,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,738.17 : 127,107.41 = 34,783.45 : x
  2. Step 2: Convert to fraction form
    84,738.17/127,107.41 = 34,783.45/x
  3. Step 3: Cross multiply
    84,738.17x = 127,107.41 × 34,783.45
  4. Step 4: Simplify right side
    84,738.17x = 4,421,234,240.36
  5. Step 5: Solve for x
    x = 4,421,234,240.36/84,738.17
  6. Step 6: Final answer
    x = 52,175.24

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1.5x scale

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.