Home / 55,360.08-76,406.72-32,697.60

Finding the Fourth Proportional to 55,360.08, 76,406.72 and 32,697.60

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Solution

The fourth proportional to 55,360.08, 76,406.72 and 32,697.60 is: 45,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.08 : 76,406.72 = 32,697.60 : x
  2. Step 2: Convert to fraction form
    55,360.08/76,406.72 = 32,697.60/x
  3. Step 3: Cross multiply
    55,360.08x = 76,406.72 × 32,697.60
  4. Step 4: Simplify right side
    55,360.08x = 2,498,316,367.87
  5. Step 5: Solve for x
    x = 2,498,316,367.87/55,360.08
  6. Step 6: Final answer
    x = 45,128.48

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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.