Home / 52,733.40-78,984.90-40,954.20

Finding the Fourth Proportional to 52,733.40, 78,984.90 and 40,954.20

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Solution

The fourth proportional to 52,733.40, 78,984.90 and 40,954.20 is: 61,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,733.40 : 78,984.90 = 40,954.20 : x
  2. Step 2: Convert to fraction form
    52,733.40/78,984.90 = 40,954.20/x
  3. Step 3: Cross multiply
    52,733.40x = 78,984.90 × 40,954.20
  4. Step 4: Simplify right side
    52,733.40x = 3,234,763,391.58
  5. Step 5: Solve for x
    x = 3,234,763,391.58/52,733.40
  6. Step 6: Final answer
    x = 61,341.83

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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.