Home / 55,176.40-82,764.60-35,477.20

Finding the Fourth Proportional to 55,176.40, 82,764.60 and 35,477.20

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Solution

The fourth proportional to 55,176.40, 82,764.60 and 35,477.20 is: 53,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.40 : 82,764.60 = 35,477.20 : x
  2. Step 2: Convert to fraction form
    55,176.40/82,764.60 = 35,477.20/x
  3. Step 3: Cross multiply
    55,176.40x = 82,764.60 × 35,477.20
  4. Step 4: Simplify right side
    55,176.40x = 2,936,256,267.12
  5. Step 5: Solve for x
    x = 2,936,256,267.12/55,176.40
  6. Step 6: Final answer
    x = 53,215.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.