Home / 81,546.66-112,430.21-52,815.62

Finding the Fourth Proportional to 81,546.66, 112,430.21 and 52,815.62

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Solution

The fourth proportional to 81,546.66, 112,430.21 and 52,815.62 is: 72,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.66 : 112,430.21 = 52,815.62 : x
  2. Step 2: Convert to fraction form
    81,546.66/112,430.21 = 52,815.62/x
  3. Step 3: Cross multiply
    81,546.66x = 112,430.21 × 52,815.62
  4. Step 4: Simplify right side
    81,546.66x = 5,938,071,247.88
  5. Step 5: Solve for x
    x = 5,938,071,247.88/81,546.66
  6. Step 6: Final answer
    x = 72,818.08

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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.