Home / 57,087.88-78,856.57-43,823.05

Finding the Fourth Proportional to 57,087.88, 78,856.57 and 43,823.05

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Solution

The fourth proportional to 57,087.88, 78,856.57 and 43,823.05 is: 60,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.88 : 78,856.57 = 43,823.05 : x
  2. Step 2: Convert to fraction form
    57,087.88/78,856.57 = 43,823.05/x
  3. Step 3: Cross multiply
    57,087.88x = 78,856.57 × 43,823.05
  4. Step 4: Simplify right side
    57,087.88x = 3,455,735,267.58
  5. Step 5: Solve for x
    x = 3,455,735,267.58/57,087.88
  6. Step 6: Final answer
    x = 60,533.61

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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.