Home / 51,242.76-76,868.73-13,802.00

Finding the Fourth Proportional to 51,242.76, 76,868.73 and 13,802.00

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Solution

The fourth proportional to 51,242.76, 76,868.73 and 13,802.00 is: 20,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.76 : 76,868.73 = 13,802.00 : x
  2. Step 2: Convert to fraction form
    51,242.76/76,868.73 = 13,802.00/x
  3. Step 3: Cross multiply
    51,242.76x = 76,868.73 × 13,802.00
  4. Step 4: Simplify right side
    51,242.76x = 1,060,941,827.12
  5. Step 5: Solve for x
    x = 1,060,941,827.12/51,242.76
  6. Step 6: Final answer
    x = 20,704.23

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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.