Home / 68,350.03-102,475.83-42,000.33

Finding the Fourth Proportional to 68,350.03, 102,475.83 and 42,000.33

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Solution

The fourth proportional to 68,350.03, 102,475.83 and 42,000.33 is: 62,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,350.03 : 102,475.83 = 42,000.33 : x
  2. Step 2: Convert to fraction form
    68,350.03/102,475.83 = 42,000.33/x
  3. Step 3: Cross multiply
    68,350.03x = 102,475.83 × 42,000.33
  4. Step 4: Simplify right side
    68,350.03x = 4,304,018,677.02
  5. Step 5: Solve for x
    x = 4,304,018,677.02/68,350.03
  6. Step 6: Final answer
    x = 62,970.25

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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.