Home / 92,991.22-128,296.65-52,701.82

Finding the Fourth Proportional to 92,991.22, 128,296.65 and 52,701.82

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Solution

The fourth proportional to 92,991.22, 128,296.65 and 52,701.82 is: 72,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,991.22 : 128,296.65 = 52,701.82 : x
  2. Step 2: Convert to fraction form
    92,991.22/128,296.65 = 52,701.82/x
  3. Step 3: Cross multiply
    92,991.22x = 128,296.65 × 52,701.82
  4. Step 4: Simplify right side
    92,991.22x = 6,761,466,954.90
  5. Step 5: Solve for x
    x = 6,761,466,954.90/92,991.22
  6. Step 6: Final answer
    x = 72,710.81

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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.