Home / 49,622.40-74,433.60-46,123.20

Finding the Fourth Proportional to 49,622.40, 74,433.60 and 46,123.20

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Solution

The fourth proportional to 49,622.40, 74,433.60 and 46,123.20 is: 69,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.40 : 74,433.60 = 46,123.20 : x
  2. Step 2: Convert to fraction form
    49,622.40/74,433.60 = 46,123.20/x
  3. Step 3: Cross multiply
    49,622.40x = 74,433.60 × 46,123.20
  4. Step 4: Simplify right side
    49,622.40x = 3,433,115,819.52
  5. Step 5: Solve for x
    x = 3,433,115,819.52/49,622.40
  6. Step 6: Final answer
    x = 69,184.80

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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.