Home / 56,648.74-78,172.22-32,775.80

Finding the Fourth Proportional to 56,648.74, 78,172.22 and 32,775.80

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Solution

The fourth proportional to 56,648.74, 78,172.22 and 32,775.80 is: 45,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,648.74 : 78,172.22 = 32,775.80 : x
  2. Step 2: Convert to fraction form
    56,648.74/78,172.22 = 32,775.80/x
  3. Step 3: Cross multiply
    56,648.74x = 78,172.22 × 32,775.80
  4. Step 4: Simplify right side
    56,648.74x = 2,562,157,048.28
  5. Step 5: Solve for x
    x = 2,562,157,048.28/56,648.74
  6. Step 6: Final answer
    x = 45,228.84

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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.