Home / 117,844.32-176,778-55,498.08

Finding the Fourth Proportional to 117,844.32, 176,778 and 55,498.08

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Solution

The fourth proportional to 117,844.32, 176,778 and 55,498.08 is: 83,252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,844.32 : 176,778 = 55,498.08 : x
  2. Step 2: Convert to fraction form
    117,844.32/176,778 = 55,498.08/x
  3. Step 3: Cross multiply
    117,844.32x = 176,778 × 55,498.08
  4. Step 4: Simplify right side
    117,844.32x = 9,810,839,586.24
  5. Step 5: Solve for x
    x = 9,810,839,586.24/117,844.32
  6. Step 6: Final answer
    x = 83,252.55

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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.