Home / 117,637.26-176,311.38-54,371.76

Finding the Fourth Proportional to 117,637.26, 176,311.38 and 54,371.76

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Solution

The fourth proportional to 117,637.26, 176,311.38 and 54,371.76 is: 81,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,637.26 : 176,311.38 = 54,371.76 : x
  2. Step 2: Convert to fraction form
    117,637.26/176,311.38 = 54,371.76/x
  3. Step 3: Cross multiply
    117,637.26x = 176,311.38 × 54,371.76
  4. Step 4: Simplify right side
    117,637.26x = 9,586,360,038.63
  5. Step 5: Solve for x
    x = 9,586,360,038.63/117,637.26
  6. Step 6: Final answer
    x = 81,490.85

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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.