Home / 117,639.54-176,360.10-51,029.49

Finding the Fourth Proportional to 117,639.54, 176,360.10 and 51,029.49

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Solution

The fourth proportional to 117,639.54, 176,360.10 and 51,029.49 is: 76,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.54 : 176,360.10 = 51,029.49 : x
  2. Step 2: Convert to fraction form
    117,639.54/176,360.10 = 51,029.49/x
  3. Step 3: Cross multiply
    117,639.54x = 176,360.10 × 51,029.49
  4. Step 4: Simplify right side
    117,639.54x = 8,999,565,959.35
  5. Step 5: Solve for x
    x = 8,999,565,959.35/117,639.54
  6. Step 6: Final answer
    x = 76,501.20

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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.