Home / 117,688.94-176,433.90-51,079.00

Finding the Fourth Proportional to 117,688.94, 176,433.90 and 51,079.00

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Solution

The fourth proportional to 117,688.94, 176,433.90 and 51,079.00 is: 76,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.94 : 176,433.90 = 51,079.00 : x
  2. Step 2: Convert to fraction form
    117,688.94/176,433.90 = 51,079.00/x
  3. Step 3: Cross multiply
    117,688.94x = 176,433.90 × 51,079.00
  4. Step 4: Simplify right side
    117,688.94x = 9,012,066,295.93
  5. Step 5: Solve for x
    x = 9,012,066,295.93/117,688.94
  6. Step 6: Final answer
    x = 76,575.30

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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.