Home / 57,353.20-79,160.07-31,868.32

Finding the Fourth Proportional to 57,353.20, 79,160.07 and 31,868.32

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Solution

The fourth proportional to 57,353.20, 79,160.07 and 31,868.32 is: 43,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.20 : 79,160.07 = 31,868.32 : x
  2. Step 2: Convert to fraction form
    57,353.20/79,160.07 = 31,868.32/x
  3. Step 3: Cross multiply
    57,353.20x = 79,160.07 × 31,868.32
  4. Step 4: Simplify right side
    57,353.20x = 2,522,698,441.98
  5. Step 5: Solve for x
    x = 2,522,698,441.98/57,353.20
  6. Step 6: Final answer
    x = 43,985.31

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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.