Home / 92,917.59-138,674.19-83,949.54

Finding the Fourth Proportional to 92,917.59, 138,674.19 and 83,949.54

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Solution

The fourth proportional to 92,917.59, 138,674.19 and 83,949.54 is: 125,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.59 : 138,674.19 = 83,949.54 : x
  2. Step 2: Convert to fraction form
    92,917.59/138,674.19 = 83,949.54/x
  3. Step 3: Cross multiply
    92,917.59x = 138,674.19 × 83,949.54
  4. Step 4: Simplify right side
    92,917.59x = 11,641,634,460.37
  5. Step 5: Solve for x
    x = 11,641,634,460.37/92,917.59
  6. Step 6: Final answer
    x = 125,289.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.