Home / 88,193.06-121,704.37-47,905.92

Finding the Fourth Proportional to 88,193.06, 121,704.37 and 47,905.92

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Solution

The fourth proportional to 88,193.06, 121,704.37 and 47,905.92 is: 66,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.06 : 121,704.37 = 47,905.92 : x
  2. Step 2: Convert to fraction form
    88,193.06/121,704.37 = 47,905.92/x
  3. Step 3: Cross multiply
    88,193.06x = 121,704.37 × 47,905.92
  4. Step 4: Simplify right side
    88,193.06x = 5,830,359,204.35
  5. Step 5: Solve for x
    x = 5,830,359,204.35/88,193.06
  6. Step 6: Final answer
    x = 66,109.05

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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.