Home / 117,964.06-176,712-55,678.30

Finding the Fourth Proportional to 117,964.06, 176,712 and 55,678.30

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Solution

The fourth proportional to 117,964.06, 176,712 and 55,678.30 is: 83,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.06 : 176,712 = 55,678.30 : x
  2. Step 2: Convert to fraction form
    117,964.06/176,712 = 55,678.30/x
  3. Step 3: Cross multiply
    117,964.06x = 176,712 × 55,678.30
  4. Step 4: Simplify right side
    117,964.06x = 9,839,023,749.60
  5. Step 5: Solve for x
    x = 9,839,023,749.60/117,964.06
  6. Step 6: Final answer
    x = 83,406.96

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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.