Home / 106,066.94-159,116.78-66,055.30

Finding the Fourth Proportional to 106,066.94, 159,116.78 and 66,055.30

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Solution

The fourth proportional to 106,066.94, 159,116.78 and 66,055.30 is: 99,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,066.94 : 159,116.78 = 66,055.30 : x
  2. Step 2: Convert to fraction form
    106,066.94/159,116.78 = 66,055.30/x
  3. Step 3: Cross multiply
    106,066.94x = 159,116.78 × 66,055.30
  4. Step 4: Simplify right side
    106,066.94x = 10,510,506,405.28
  5. Step 5: Solve for x
    x = 10,510,506,405.28/106,066.94
  6. Step 6: Final answer
    x = 99,093.15

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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.