Home / 55,237.20-82,758.60-45,322.80

Finding the Fourth Proportional to 55,237.20, 82,758.60 and 45,322.80

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Solution

The fourth proportional to 55,237.20, 82,758.60 and 45,322.80 is: 67,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237.20 : 82,758.60 = 45,322.80 : x
  2. Step 2: Convert to fraction form
    55,237.20/82,758.60 = 45,322.80/x
  3. Step 3: Cross multiply
    55,237.20x = 82,758.60 × 45,322.80
  4. Step 4: Simplify right side
    55,237.20x = 3,750,851,476.08
  5. Step 5: Solve for x
    x = 3,750,851,476.08/55,237.20
  6. Step 6: Final answer
    x = 67,904.45

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