Home / 78,933.43-118,400.15-32,189.95

Finding the Fourth Proportional to 78,933.43, 118,400.15 and 32,189.95

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Solution

The fourth proportional to 78,933.43, 118,400.15 and 32,189.95 is: 48,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,933.43 : 118,400.15 = 32,189.95 : x
  2. Step 2: Convert to fraction form
    78,933.43/118,400.15 = 32,189.95/x
  3. Step 3: Cross multiply
    78,933.43x = 118,400.15 × 32,189.95
  4. Step 4: Simplify right side
    78,933.43x = 3,811,294,908.49
  5. Step 5: Solve for x
    x = 3,811,294,908.49/78,933.43
  6. Step 6: Final answer
    x = 48,284.93

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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.