Home / 52,983.04-79,428.48-20,174.08

Finding the Fourth Proportional to 52,983.04, 79,428.48 and 20,174.08

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Solution

The fourth proportional to 52,983.04, 79,428.48 and 20,174.08 is: 30,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,983.04 : 79,428.48 = 20,174.08 : x
  2. Step 2: Convert to fraction form
    52,983.04/79,428.48 = 20,174.08/x
  3. Step 3: Cross multiply
    52,983.04x = 79,428.48 × 20,174.08
  4. Step 4: Simplify right side
    52,983.04x = 1,602,396,509.80
  5. Step 5: Solve for x
    x = 1,602,396,509.80/52,983.04
  6. Step 6: Final answer
    x = 30,243.57

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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.