Home / 57,087.69-78,856.32-43,822.86

Finding the Fourth Proportional to 57,087.69, 78,856.32 and 43,822.86

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Solution

The fourth proportional to 57,087.69, 78,856.32 and 43,822.86 is: 60,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.69 : 78,856.32 = 43,822.86 : x
  2. Step 2: Convert to fraction form
    57,087.69/78,856.32 = 43,822.86/x
  3. Step 3: Cross multiply
    57,087.69x = 78,856.32 × 43,822.86
  4. Step 4: Simplify right side
    57,087.69x = 3,455,709,471.48
  5. Step 5: Solve for x
    x = 3,455,709,471.48/57,087.69
  6. Step 6: Final answer
    x = 60,533.36

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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.