Home / 112,660.88-155,470.73-61,673.00

Finding the Fourth Proportional to 112,660.88, 155,470.73 and 61,673.00

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Solution

The fourth proportional to 112,660.88, 155,470.73 and 61,673.00 is: 85,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,660.88 : 155,470.73 = 61,673.00 : x
  2. Step 2: Convert to fraction form
    112,660.88/155,470.73 = 61,673.00/x
  3. Step 3: Cross multiply
    112,660.88x = 155,470.73 × 61,673.00
  4. Step 4: Simplify right side
    112,660.88x = 9,588,345,245.57
  5. Step 5: Solve for x
    x = 9,588,345,245.57/112,660.88
  6. Step 6: Final answer
    x = 85,108.03

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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.