Home / 51,071.04-76,606.56-13,631.25

Finding the Fourth Proportional to 51,071.04, 76,606.56 and 13,631.25

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Solution

The fourth proportional to 51,071.04, 76,606.56 and 13,631.25 is: 20,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.04 : 76,606.56 = 13,631.25 : x
  2. Step 2: Convert to fraction form
    51,071.04/76,606.56 = 13,631.25/x
  3. Step 3: Cross multiply
    51,071.04x = 76,606.56 × 13,631.25
  4. Step 4: Simplify right side
    51,071.04x = 1,044,243,458.27
  5. Step 5: Solve for x
    x = 1,044,243,458.27/51,071.04
  6. Step 6: Final answer
    x = 20,446.88

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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.