Home / 51,711.03-77,571.02-14,271.11

Finding the Fourth Proportional to 51,711.03, 77,571.02 and 14,271.11

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Solution

The fourth proportional to 51,711.03, 77,571.02 and 14,271.11 is: 21,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.03 : 77,571.02 = 14,271.11 : x
  2. Step 2: Convert to fraction form
    51,711.03/77,571.02 = 14,271.11/x
  3. Step 3: Cross multiply
    51,711.03x = 77,571.02 × 14,271.11
  4. Step 4: Simplify right side
    51,711.03x = 1,107,024,100.02
  5. Step 5: Solve for x
    x = 1,107,024,100.02/51,711.03
  6. Step 6: Final answer
    x = 21,407.89

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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.