Home / 91,310.18-125,986.43-53,047.00

Finding the Fourth Proportional to 91,310.18, 125,986.43 and 53,047.00

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Solution

The fourth proportional to 91,310.18, 125,986.43 and 53,047.00 is: 73,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310.18 : 125,986.43 = 53,047.00 : x
  2. Step 2: Convert to fraction form
    91,310.18/125,986.43 = 53,047.00/x
  3. Step 3: Cross multiply
    91,310.18x = 125,986.43 × 53,047.00
  4. Step 4: Simplify right side
    91,310.18x = 6,683,201,257.04
  5. Step 5: Solve for x
    x = 6,683,201,257.04/91,310.18
  6. Step 6: Final answer
    x = 73,192.29

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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.