Home / 51,729.06-77,598.06-14,289.12

Finding the Fourth Proportional to 51,729.06, 77,598.06 and 14,289.12

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Solution

The fourth proportional to 51,729.06, 77,598.06 and 14,289.12 is: 21,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.06 : 77,598.06 = 14,289.12 : x
  2. Step 2: Convert to fraction form
    51,729.06/77,598.06 = 14,289.12/x
  3. Step 3: Cross multiply
    51,729.06x = 77,598.06 × 14,289.12
  4. Step 4: Simplify right side
    51,729.06x = 1,108,807,991.11
  5. Step 5: Solve for x
    x = 1,108,807,991.11/51,729.06
  6. Step 6: Final answer
    x = 21,434.91

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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.