Home / 42,113.04-63,172.26-17,139.46

Finding the Fourth Proportional to 42,113.04, 63,172.26 and 17,139.46

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Solution

The fourth proportional to 42,113.04, 63,172.26 and 17,139.46 is: 25,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,113.04 : 63,172.26 = 17,139.46 : x
  2. Step 2: Convert to fraction form
    42,113.04/63,172.26 = 17,139.46/x
  3. Step 3: Cross multiply
    42,113.04x = 63,172.26 × 17,139.46
  4. Step 4: Simplify right side
    42,113.04x = 1,082,738,423.38
  5. Step 5: Solve for x
    x = 1,082,738,423.38/42,113.04
  6. Step 6: Final answer
    x = 25,710.29

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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.