Home / 94,999.77-131,102.15-57,276.45

Finding the Fourth Proportional to 94,999.77, 131,102.15 and 57,276.45

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Solution

The fourth proportional to 94,999.77, 131,102.15 and 57,276.45 is: 79,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,999.77 : 131,102.15 = 57,276.45 : x
  2. Step 2: Convert to fraction form
    94,999.77/131,102.15 = 57,276.45/x
  3. Step 3: Cross multiply
    94,999.77x = 131,102.15 × 57,276.45
  4. Step 4: Simplify right side
    94,999.77x = 7,509,065,452.99
  5. Step 5: Solve for x
    x = 7,509,065,452.99/94,999.77
  6. Step 6: Final answer
    x = 79,042.99

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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.