Home / 82,071.04-123,009.36-37,660.36

Finding the Fourth Proportional to 82,071.04, 123,009.36 and 37,660.36

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Solution

The fourth proportional to 82,071.04, 123,009.36 and 37,660.36 is: 56,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,071.04 : 123,009.36 = 37,660.36 : x
  2. Step 2: Convert to fraction form
    82,071.04/123,009.36 = 37,660.36/x
  3. Step 3: Cross multiply
    82,071.04x = 123,009.36 × 37,660.36
  4. Step 4: Simplify right side
    82,071.04x = 4,632,576,780.97
  5. Step 5: Solve for x
    x = 4,632,576,780.97/82,071.04
  6. Step 6: Final answer
    x = 56,445.94

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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.