Home / 57,457.46-79,292.91-31,964.64

Finding the Fourth Proportional to 57,457.46, 79,292.91 and 31,964.64

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Solution

The fourth proportional to 57,457.46, 79,292.91 and 31,964.64 is: 44,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.46 : 79,292.91 = 31,964.64 : x
  2. Step 2: Convert to fraction form
    57,457.46/79,292.91 = 31,964.64/x
  3. Step 3: Cross multiply
    57,457.46x = 79,292.91 × 31,964.64
  4. Step 4: Simplify right side
    57,457.46x = 2,534,569,322.70
  5. Step 5: Solve for x
    x = 2,534,569,322.70/57,457.46
  6. Step 6: Final answer
    x = 44,112.10

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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.