Home / 117,563.16-176,374.56-54,428.82

Finding the Fourth Proportional to 117,563.16, 176,374.56 and 54,428.82

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Solution

The fourth proportional to 117,563.16, 176,374.56 and 54,428.82 is: 81,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,563.16 : 176,374.56 = 54,428.82 : x
  2. Step 2: Convert to fraction form
    117,563.16/176,374.56 = 54,428.82/x
  3. Step 3: Cross multiply
    117,563.16x = 176,374.56 × 54,428.82
  4. Step 4: Simplify right side
    117,563.16x = 9,599,859,178.82
  5. Step 5: Solve for x
    x = 9,599,859,178.82/117,563.16
  6. Step 6: Final answer
    x = 81,657.04

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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.