Home / 57,179.77-78,809.57-38,025.31

Finding the Fourth Proportional to 57,179.77, 78,809.57 and 38,025.31

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Solution

The fourth proportional to 57,179.77, 78,809.57 and 38,025.31 is: 52,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.77 : 78,809.57 = 38,025.31 : x
  2. Step 2: Convert to fraction form
    57,179.77/78,809.57 = 38,025.31/x
  3. Step 3: Cross multiply
    57,179.77x = 78,809.57 × 38,025.31
  4. Step 4: Simplify right side
    57,179.77x = 2,996,757,943.07
  5. Step 5: Solve for x
    x = 2,996,757,943.07/57,179.77
  6. Step 6: Final answer
    x = 52,409.41

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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.