Home / 82,302.30-123,368.40-44,783.10

Finding the Fourth Proportional to 82,302.30, 123,368.40 and 44,783.10

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Solution

The fourth proportional to 82,302.30, 123,368.40 and 44,783.10 is: 67,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,302.30 : 123,368.40 = 44,783.10 : x
  2. Step 2: Convert to fraction form
    82,302.30/123,368.40 = 44,783.10/x
  3. Step 3: Cross multiply
    82,302.30x = 123,368.40 × 44,783.10
  4. Step 4: Simplify right side
    82,302.30x = 5,524,819,394.04
  5. Step 5: Solve for x
    x = 5,524,819,394.04/82,302.30
  6. Step 6: Final answer
    x = 67,128.37

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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.