Home / 106,240.06-159,322.95-31,340.32

Finding the Fourth Proportional to 106,240.06, 159,322.95 and 31,340.32

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Solution

The fourth proportional to 106,240.06, 159,322.95 and 31,340.32 is: 46,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,240.06 : 159,322.95 = 31,340.32 : x
  2. Step 2: Convert to fraction form
    106,240.06/159,322.95 = 31,340.32/x
  3. Step 3: Cross multiply
    106,240.06x = 159,322.95 × 31,340.32
  4. Step 4: Simplify right side
    106,240.06x = 4,993,232,236.34
  5. Step 5: Solve for x
    x = 4,993,232,236.34/106,240.06
  6. Step 6: Final answer
    x = 46,999.52

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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.