Home / 113,731.32-170,539.74-66,362.52

Finding the Fourth Proportional to 113,731.32, 170,539.74 and 66,362.52

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Solution

The fourth proportional to 113,731.32, 170,539.74 and 66,362.52 is: 99,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,731.32 : 170,539.74 = 66,362.52 : x
  2. Step 2: Convert to fraction form
    113,731.32/170,539.74 = 66,362.52/x
  3. Step 3: Cross multiply
    113,731.32x = 170,539.74 × 66,362.52
  4. Step 4: Simplify right side
    113,731.32x = 11,317,446,906.54
  5. Step 5: Solve for x
    x = 11,317,446,906.54/113,731.32
  6. Step 6: Final answer
    x = 99,510.38

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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.