Home / 64,787.08-89,404.82-36,109.36

Finding the Fourth Proportional to 64,787.08, 89,404.82 and 36,109.36

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Solution

The fourth proportional to 64,787.08, 89,404.82 and 36,109.36 is: 49,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.08 : 89,404.82 = 36,109.36 : x
  2. Step 2: Convert to fraction form
    64,787.08/89,404.82 = 36,109.36/x
  3. Step 3: Cross multiply
    64,787.08x = 89,404.82 × 36,109.36
  4. Step 4: Simplify right side
    64,787.08x = 3,228,350,607.60
  5. Step 5: Solve for x
    x = 3,228,350,607.60/64,787.08
  6. Step 6: Final answer
    x = 49,830.16

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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.