Home / 92,905.25-128,262.35-61,166.41

Finding the Fourth Proportional to 92,905.25, 128,262.35 and 61,166.41

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Solution

The fourth proportional to 92,905.25, 128,262.35 and 61,166.41 is: 84,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,905.25 : 128,262.35 = 61,166.41 : x
  2. Step 2: Convert to fraction form
    92,905.25/128,262.35 = 61,166.41/x
  3. Step 3: Cross multiply
    92,905.25x = 128,262.35 × 61,166.41
  4. Step 4: Simplify right side
    92,905.25x = 7,845,347,319.92
  5. Step 5: Solve for x
    x = 7,845,347,319.92/92,905.25
  6. Step 6: Final answer
    x = 84,444.61

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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.