Home / 56,512.10-77,993.61-32,638.75

Finding the Fourth Proportional to 56,512.10, 77,993.61 and 32,638.75

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Solution

The fourth proportional to 56,512.10, 77,993.61 and 32,638.75 is: 45,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.10 : 77,993.61 = 32,638.75 : x
  2. Step 2: Convert to fraction form
    56,512.10/77,993.61 = 32,638.75/x
  3. Step 3: Cross multiply
    56,512.10x = 77,993.61 × 32,638.75
  4. Step 4: Simplify right side
    56,512.10x = 2,545,613,621.01
  5. Step 5: Solve for x
    x = 2,545,613,621.01/56,512.10
  6. Step 6: Final answer
    x = 45,045.46

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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.