Home / 91,844.51-126,751.09-61,165.00

Finding the Fourth Proportional to 91,844.51, 126,751.09 and 61,165.00

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Solution

The fourth proportional to 91,844.51, 126,751.09 and 61,165.00 is: 84,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844.51 : 126,751.09 = 61,165.00 : x
  2. Step 2: Convert to fraction form
    91,844.51/126,751.09 = 61,165.00/x
  3. Step 3: Cross multiply
    91,844.51x = 126,751.09 × 61,165.00
  4. Step 4: Simplify right side
    91,844.51x = 7,752,729,786.09
  5. Step 5: Solve for x
    x = 7,752,729,786.09/91,844.51
  6. Step 6: Final answer
    x = 84,411.47

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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.