Home / 57,314.34-79,090.24-31,819.22

Finding the Fourth Proportional to 57,314.34, 79,090.24 and 31,819.22

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Solution

The fourth proportional to 57,314.34, 79,090.24 and 31,819.22 is: 43,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,314.34 : 79,090.24 = 31,819.22 : x
  2. Step 2: Convert to fraction form
    57,314.34/79,090.24 = 31,819.22/x
  3. Step 3: Cross multiply
    57,314.34x = 79,090.24 × 31,819.22
  4. Step 4: Simplify right side
    57,314.34x = 2,516,589,746.41
  5. Step 5: Solve for x
    x = 2,516,589,746.41/57,314.34
  6. Step 6: Final answer
    x = 43,908.55

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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.