Home / 52,130.82-71,981.92-48,150.48

Finding the Fourth Proportional to 52,130.82, 71,981.92 and 48,150.48

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Solution

The fourth proportional to 52,130.82, 71,981.92 and 48,150.48 is: 66,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.82 : 71,981.92 = 48,150.48 : x
  2. Step 2: Convert to fraction form
    52,130.82/71,981.92 = 48,150.48/x
  3. Step 3: Cross multiply
    52,130.82x = 71,981.92 × 48,150.48
  4. Step 4: Simplify right side
    52,130.82x = 3,465,963,999.32
  5. Step 5: Solve for x
    x = 3,465,963,999.32/52,130.82
  6. Step 6: Final answer
    x = 66,485.89

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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.