Home / 92,917.77-128,236.76-52,085.80

Finding the Fourth Proportional to 92,917.77, 128,236.76 and 52,085.80

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Solution

The fourth proportional to 92,917.77, 128,236.76 and 52,085.80 is: 71,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.77 : 128,236.76 = 52,085.80 : x
  2. Step 2: Convert to fraction form
    92,917.77/128,236.76 = 52,085.80/x
  3. Step 3: Cross multiply
    92,917.77x = 128,236.76 × 52,085.80
  4. Step 4: Simplify right side
    92,917.77x = 6,679,314,234.01
  5. Step 5: Solve for x
    x = 6,679,314,234.01/92,917.77
  6. Step 6: Final answer
    x = 71,884.14

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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.