Home / 117,237.04-161,787.59-63,521.89

Finding the Fourth Proportional to 117,237.04, 161,787.59 and 63,521.89

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Solution

The fourth proportional to 117,237.04, 161,787.59 and 63,521.89 is: 87,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.04 : 161,787.59 = 63,521.89 : x
  2. Step 2: Convert to fraction form
    117,237.04/161,787.59 = 63,521.89/x
  3. Step 3: Cross multiply
    117,237.04x = 161,787.59 × 63,521.89
  4. Step 4: Simplify right side
    117,237.04x = 10,277,053,495.35
  5. Step 5: Solve for x
    x = 10,277,053,495.35/117,237.04
  6. Step 6: Final answer
    x = 87,660.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.