Home / 96,787.88-133,588.60-53,782.12

Finding the Fourth Proportional to 96,787.88, 133,588.60 and 53,782.12

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Solution

The fourth proportional to 96,787.88, 133,588.60 and 53,782.12 is: 74,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,787.88 : 133,588.60 = 53,782.12 : x
  2. Step 2: Convert to fraction form
    96,787.88/133,588.60 = 53,782.12/x
  3. Step 3: Cross multiply
    96,787.88x = 133,588.60 × 53,782.12
  4. Step 4: Simplify right side
    96,787.88x = 7,184,677,647.41
  5. Step 5: Solve for x
    x = 7,184,677,647.41/96,787.88
  6. Step 6: Final answer
    x = 74,231.17

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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.