Home / 55,265.20-82,897.80-51,328.60

Finding the Fourth Proportional to 55,265.20, 82,897.80 and 51,328.60

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Solution

The fourth proportional to 55,265.20, 82,897.80 and 51,328.60 is: 76,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.20 : 82,897.80 = 51,328.60 : x
  2. Step 2: Convert to fraction form
    55,265.20/82,897.80 = 51,328.60/x
  3. Step 3: Cross multiply
    55,265.20x = 82,897.80 × 51,328.60
  4. Step 4: Simplify right side
    55,265.20x = 4,255,028,017.08
  5. Step 5: Solve for x
    x = 4,255,028,017.08/55,265.20
  6. Step 6: Final answer
    x = 76,992.90

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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.