Home / 48,430.98-66,842.68-40,351.82

Finding the Fourth Proportional to 48,430.98, 66,842.68 and 40,351.82

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Solution

The fourth proportional to 48,430.98, 66,842.68 and 40,351.82 is: 55,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.98 : 66,842.68 = 40,351.82 : x
  2. Step 2: Convert to fraction form
    48,430.98/66,842.68 = 40,351.82/x
  3. Step 3: Cross multiply
    48,430.98x = 66,842.68 × 40,351.82
  4. Step 4: Simplify right side
    48,430.98x = 2,697,223,791.68
  5. Step 5: Solve for x
    x = 2,697,223,791.68/48,430.98
  6. Step 6: Final answer
    x = 55,692.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.