Home / 84,704.73-127,048.18-34,790.10

Finding the Fourth Proportional to 84,704.73, 127,048.18 and 34,790.10

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Solution

The fourth proportional to 84,704.73, 127,048.18 and 34,790.10 is: 52,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.73 : 127,048.18 = 34,790.10 : x
  2. Step 2: Convert to fraction form
    84,704.73/127,048.18 = 34,790.10/x
  3. Step 3: Cross multiply
    84,704.73x = 127,048.18 × 34,790.10
  4. Step 4: Simplify right side
    84,704.73x = 4,420,018,887.02
  5. Step 5: Solve for x
    x = 4,420,018,887.02/84,704.73
  6. Step 6: Final answer
    x = 52,181.49

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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.