Home / 52,617.12-78,923.11-19,334.62

Finding the Fourth Proportional to 52,617.12, 78,923.11 and 19,334.62

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Solution

The fourth proportional to 52,617.12, 78,923.11 and 19,334.62 is: 29,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,617.12 : 78,923.11 = 19,334.62 : x
  2. Step 2: Convert to fraction form
    52,617.12/78,923.11 = 19,334.62/x
  3. Step 3: Cross multiply
    52,617.12x = 78,923.11 × 19,334.62
  4. Step 4: Simplify right side
    52,617.12x = 1,525,948,341.07
  5. Step 5: Solve for x
    x = 1,525,948,341.07/52,617.12
  6. Step 6: Final answer
    x = 29,000.99

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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.