Home / 118,408.47-163,395.85-67,426.41

Finding the Fourth Proportional to 118,408.47, 163,395.85 and 67,426.41

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Solution

The fourth proportional to 118,408.47, 163,395.85 and 67,426.41 is: 93,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,408.47 : 163,395.85 = 67,426.41 : x
  2. Step 2: Convert to fraction form
    118,408.47/163,395.85 = 67,426.41/x
  3. Step 3: Cross multiply
    118,408.47x = 163,395.85 × 67,426.41
  4. Step 4: Simplify right side
    118,408.47x = 11,017,196,144.99
  5. Step 5: Solve for x
    x = 11,017,196,144.99/118,408.47
  6. Step 6: Final answer
    x = 93,043.99

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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.