Home / 82,950.40-124,425.60-49,772.80

Finding the Fourth Proportional to 82,950.40, 124,425.60 and 49,772.80

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Solution

The fourth proportional to 82,950.40, 124,425.60 and 49,772.80 is: 74,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,950.40 : 124,425.60 = 49,772.80 : x
  2. Step 2: Convert to fraction form
    82,950.40/124,425.60 = 49,772.80/x
  3. Step 3: Cross multiply
    82,950.40x = 124,425.60 × 49,772.80
  4. Step 4: Simplify right side
    82,950.40x = 6,193,010,503.68
  5. Step 5: Solve for x
    x = 6,193,010,503.68/82,950.40
  6. Step 6: Final answer
    x = 74,659.20

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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.