Home / 84,732.04-127,020.30-29,289.16

Finding the Fourth Proportional to 84,732.04, 127,020.30 and 29,289.16

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Solution

The fourth proportional to 84,732.04, 127,020.30 and 29,289.16 is: 43,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,732.04 : 127,020.30 = 29,289.16 : x
  2. Step 2: Convert to fraction form
    84,732.04/127,020.30 = 29,289.16/x
  3. Step 3: Cross multiply
    84,732.04x = 127,020.30 × 29,289.16
  4. Step 4: Simplify right side
    84,732.04x = 3,720,317,889.95
  5. Step 5: Solve for x
    x = 3,720,317,889.95/84,732.04
  6. Step 6: Final answer
    x = 43,906.86

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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.