Home / 58,071.30-86,912.55-51,072.90

Finding the Fourth Proportional to 58,071.30, 86,912.55 and 51,072.90

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Solution

The fourth proportional to 58,071.30, 86,912.55 and 51,072.90 is: 76,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,071.30 : 86,912.55 = 51,072.90 : x
  2. Step 2: Convert to fraction form
    58,071.30/86,912.55 = 51,072.90/x
  3. Step 3: Cross multiply
    58,071.30x = 86,912.55 × 51,072.90
  4. Step 4: Simplify right side
    58,071.30x = 4,438,875,974.90
  5. Step 5: Solve for x
    x = 4,438,875,974.90/58,071.30
  6. Step 6: Final answer
    x = 76,438.38

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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.