Home / 117,731.81-176,360.99-54,463.11

Finding the Fourth Proportional to 117,731.81, 176,360.99 and 54,463.11

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Solution

The fourth proportional to 117,731.81, 176,360.99 and 54,463.11 is: 81,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731.81 : 176,360.99 = 54,463.11 : x
  2. Step 2: Convert to fraction form
    117,731.81/176,360.99 = 54,463.11/x
  3. Step 3: Cross multiply
    117,731.81x = 176,360.99 × 54,463.11
  4. Step 4: Simplify right side
    117,731.81x = 9,605,167,725.76
  5. Step 5: Solve for x
    x = 9,605,167,725.76/117,731.81
  6. Step 6: Final answer
    x = 81,585.16

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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.