Home / 79,344.28-118,893.36-45,981.59

Finding the Fourth Proportional to 79,344.28, 118,893.36 and 45,981.59

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Solution

The fourth proportional to 79,344.28, 118,893.36 and 45,981.59 is: 68,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.28 : 118,893.36 = 45,981.59 : x
  2. Step 2: Convert to fraction form
    79,344.28/118,893.36 = 45,981.59/x
  3. Step 3: Cross multiply
    79,344.28x = 118,893.36 × 45,981.59
  4. Step 4: Simplify right side
    79,344.28x = 5,466,905,733.24
  5. Step 5: Solve for x
    x = 5,466,905,733.24/79,344.28
  6. Step 6: Final answer
    x = 68,901.07

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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.