Home / 56,771.06-78,340.28-32,893.47

Finding the Fourth Proportional to 56,771.06, 78,340.28 and 32,893.47

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Solution

The fourth proportional to 56,771.06, 78,340.28 and 32,893.47 is: 45,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.06 : 78,340.28 = 32,893.47 : x
  2. Step 2: Convert to fraction form
    56,771.06/78,340.28 = 32,893.47/x
  3. Step 3: Cross multiply
    56,771.06x = 78,340.28 × 32,893.47
  4. Step 4: Simplify right side
    56,771.06x = 2,576,883,485.50
  5. Step 5: Solve for x
    x = 2,576,883,485.50/56,771.06
  6. Step 6: Final answer
    x = 45,390.80

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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.