Home / 57,036.49-78,708.99-33,171.46

Finding the Fourth Proportional to 57,036.49, 78,708.99 and 33,171.46

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Solution

The fourth proportional to 57,036.49, 78,708.99 and 33,171.46 is: 45,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.49 : 78,708.99 = 33,171.46 : x
  2. Step 2: Convert to fraction form
    57,036.49/78,708.99 = 33,171.46/x
  3. Step 3: Cross multiply
    57,036.49x = 78,708.99 × 33,171.46
  4. Step 4: Simplify right side
    57,036.49x = 2,610,892,113.43
  5. Step 5: Solve for x
    x = 2,610,892,113.43/57,036.49
  6. Step 6: Final answer
    x = 45,775.82

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1.5x scale

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.