Home / 118,845.02-163,985.34-67,834.46

Finding the Fourth Proportional to 118,845.02, 163,985.34 and 67,834.46

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Solution

The fourth proportional to 118,845.02, 163,985.34 and 67,834.46 is: 93,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,845.02 : 163,985.34 = 67,834.46 : x
  2. Step 2: Convert to fraction form
    118,845.02/163,985.34 = 67,834.46/x
  3. Step 3: Cross multiply
    118,845.02x = 163,985.34 × 67,834.46
  4. Step 4: Simplify right side
    118,845.02x = 11,123,856,986.82
  5. Step 5: Solve for x
    x = 11,123,856,986.82/118,845.02
  6. Step 6: Final answer
    x = 93,599.69

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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.