Home / 86,572.46-129,917.01-33,975.74

Finding the Fourth Proportional to 86,572.46, 129,917.01 and 33,975.74

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Solution

The fourth proportional to 86,572.46, 129,917.01 and 33,975.74 is: 50,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,572.46 : 129,917.01 = 33,975.74 : x
  2. Step 2: Convert to fraction form
    86,572.46/129,917.01 = 33,975.74/x
  3. Step 3: Cross multiply
    86,572.46x = 129,917.01 × 33,975.74
  4. Step 4: Simplify right side
    86,572.46x = 4,414,026,553.34
  5. Step 5: Solve for x
    x = 4,414,026,553.34/86,572.46
  6. Step 6: Final answer
    x = 50,986.50

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Double scale
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1.5x scale

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.