Home / 109,941.45-164,897.60-60,077.85

Finding the Fourth Proportional to 109,941.45, 164,897.60 and 60,077.85

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Solution

The fourth proportional to 109,941.45, 164,897.60 and 60,077.85 is: 90,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.45 : 164,897.60 = 60,077.85 : x
  2. Step 2: Convert to fraction form
    109,941.45/164,897.60 = 60,077.85/x
  3. Step 3: Cross multiply
    109,941.45x = 164,897.60 × 60,077.85
  4. Step 4: Simplify right side
    109,941.45x = 9,906,692,977.77
  5. Step 5: Solve for x
    x = 9,906,692,977.77/109,941.45
  6. Step 6: Final answer
    x = 90,108.81

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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.