Home / 73,964.73-102,071.34-39,973.10

Finding the Fourth Proportional to 73,964.73, 102,071.34 and 39,973.10

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Solution

The fourth proportional to 73,964.73, 102,071.34 and 39,973.10 is: 55,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,964.73 : 102,071.34 = 39,973.10 : x
  2. Step 2: Convert to fraction form
    73,964.73/102,071.34 = 39,973.10/x
  3. Step 3: Cross multiply
    73,964.73x = 102,071.34 × 39,973.10
  4. Step 4: Simplify right side
    73,964.73x = 4,080,108,136.13
  5. Step 5: Solve for x
    x = 4,080,108,136.13/73,964.73
  6. Step 6: Final answer
    x = 55,162.89

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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.