Home / 82,972.40-124,458.60-49,794.80

Finding the Fourth Proportional to 82,972.40, 124,458.60 and 49,794.80

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Solution

The fourth proportional to 82,972.40, 124,458.60 and 49,794.80 is: 74,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,972.40 : 124,458.60 = 49,794.80 : x
  2. Step 2: Convert to fraction form
    82,972.40/124,458.60 = 49,794.80/x
  3. Step 3: Cross multiply
    82,972.40x = 124,458.60 × 49,794.80
  4. Step 4: Simplify right side
    82,972.40x = 6,197,391,095.28
  5. Step 5: Solve for x
    x = 6,197,391,095.28/82,972.40
  6. Step 6: Final answer
    x = 74,692.20

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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.