Home / 94,239.34-141,346.86-78,542.44

Finding the Fourth Proportional to 94,239.34, 141,346.86 and 78,542.44

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Solution

The fourth proportional to 94,239.34, 141,346.86 and 78,542.44 is: 117,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,239.34 : 141,346.86 = 78,542.44 : x
  2. Step 2: Convert to fraction form
    94,239.34/141,346.86 = 78,542.44/x
  3. Step 3: Cross multiply
    94,239.34x = 141,346.86 × 78,542.44
  4. Step 4: Simplify right side
    94,239.34x = 11,101,727,270.74
  5. Step 5: Solve for x
    x = 11,101,727,270.74/94,239.34
  6. Step 6: Final answer
    x = 117,803.53

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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.