Home / 102,832.53-141,907.91-57,509.99

Finding the Fourth Proportional to 102,832.53, 141,907.91 and 57,509.99

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Solution

The fourth proportional to 102,832.53, 141,907.91 and 57,509.99 is: 79,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,832.53 : 141,907.91 = 57,509.99 : x
  2. Step 2: Convert to fraction form
    102,832.53/141,907.91 = 57,509.99/x
  3. Step 3: Cross multiply
    102,832.53x = 141,907.91 × 57,509.99
  4. Step 4: Simplify right side
    102,832.53x = 8,161,122,485.02
  5. Step 5: Solve for x
    x = 8,161,122,485.02/102,832.53
  6. Step 6: Final answer
    x = 79,363.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.