Home / 64,787.65-97,195.11-36,721.15

Finding the Fourth Proportional to 64,787.65, 97,195.11 and 36,721.15

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Solution

The fourth proportional to 64,787.65, 97,195.11 and 36,721.15 is: 55,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.65 : 97,195.11 = 36,721.15 : x
  2. Step 2: Convert to fraction form
    64,787.65/97,195.11 = 36,721.15/x
  3. Step 3: Cross multiply
    64,787.65x = 97,195.11 × 36,721.15
  4. Step 4: Simplify right side
    64,787.65x = 3,569,116,213.58
  5. Step 5: Solve for x
    x = 3,569,116,213.58/64,787.65
  6. Step 6: Final answer
    x = 55,089.45

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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.