Home / 57,058.33-78,734.46-31,560.64

Finding the Fourth Proportional to 57,058.33, 78,734.46 and 31,560.64

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Solution

The fourth proportional to 57,058.33, 78,734.46 and 31,560.64 is: 43,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.33 : 78,734.46 = 31,560.64 : x
  2. Step 2: Convert to fraction form
    57,058.33/78,734.46 = 31,560.64/x
  3. Step 3: Cross multiply
    57,058.33x = 78,734.46 × 31,560.64
  4. Step 4: Simplify right side
    57,058.33x = 2,484,909,947.65
  5. Step 5: Solve for x
    x = 2,484,909,947.65/57,058.33
  6. Step 6: Final answer
    x = 43,550.34

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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.