Home / 48,068.12-71,954.34-31,392.20

Finding the Fourth Proportional to 48,068.12, 71,954.34 and 31,392.20

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Solution

The fourth proportional to 48,068.12, 71,954.34 and 31,392.20 is: 46,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,068.12 : 71,954.34 = 31,392.20 : x
  2. Step 2: Convert to fraction form
    48,068.12/71,954.34 = 31,392.20/x
  3. Step 3: Cross multiply
    48,068.12x = 71,954.34 × 31,392.20
  4. Step 4: Simplify right side
    48,068.12x = 2,258,805,032.15
  5. Step 5: Solve for x
    x = 2,258,805,032.15/48,068.12
  6. Step 6: Final answer
    x = 46,991.75

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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.