Home / 57,708.10-79,586.98-40,682.30

Finding the Fourth Proportional to 57,708.10, 79,586.98 and 40,682.30

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Solution

The fourth proportional to 57,708.10, 79,586.98 and 40,682.30 is: 56,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.10 : 79,586.98 = 40,682.30 : x
  2. Step 2: Convert to fraction form
    57,708.10/79,586.98 = 40,682.30/x
  3. Step 3: Cross multiply
    57,708.10x = 79,586.98 × 40,682.30
  4. Step 4: Simplify right side
    57,708.10x = 3,237,781,458.91
  5. Step 5: Solve for x
    x = 3,237,781,458.91/57,708.10
  6. Step 6: Final answer
    x = 56,106.19

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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.