Home / 109,213.16-163,882.31-46,028.30

Finding the Fourth Proportional to 109,213.16, 163,882.31 and 46,028.30

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Solution

The fourth proportional to 109,213.16, 163,882.31 and 46,028.30 is: 69,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213.16 : 163,882.31 = 46,028.30 : x
  2. Step 2: Convert to fraction form
    109,213.16/163,882.31 = 46,028.30/x
  3. Step 3: Cross multiply
    109,213.16x = 163,882.31 × 46,028.30
  4. Step 4: Simplify right side
    109,213.16x = 7,543,223,079.82
  5. Step 5: Solve for x
    x = 7,543,223,079.82/109,213.16
  6. Step 6: Final answer
    x = 69,068.81

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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.