Home / 57,782.01-79,763.73-35,128.24

Finding the Fourth Proportional to 57,782.01, 79,763.73 and 35,128.24

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Solution

The fourth proportional to 57,782.01, 79,763.73 and 35,128.24 is: 48,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,782.01 : 79,763.73 = 35,128.24 : x
  2. Step 2: Convert to fraction form
    57,782.01/79,763.73 = 35,128.24/x
  3. Step 3: Cross multiply
    57,782.01x = 79,763.73 × 35,128.24
  4. Step 4: Simplify right side
    57,782.01x = 2,801,959,450.74
  5. Step 5: Solve for x
    x = 2,801,959,450.74/57,782.01
  6. Step 6: Final answer
    x = 48,491.90

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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.