Home / 94,969.03-142,455.18-78,263.59

Finding the Fourth Proportional to 94,969.03, 142,455.18 and 78,263.59

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Solution

The fourth proportional to 94,969.03, 142,455.18 and 78,263.59 is: 117,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,969.03 : 142,455.18 = 78,263.59 : x
  2. Step 2: Convert to fraction form
    94,969.03/142,455.18 = 78,263.59/x
  3. Step 3: Cross multiply
    94,969.03x = 142,455.18 × 78,263.59
  4. Step 4: Simplify right side
    94,969.03x = 11,149,053,800.90
  5. Step 5: Solve for x
    x = 11,149,053,800.90/94,969.03
  6. Step 6: Final answer
    x = 117,396.73

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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.