Home / 64,622.14-89,180.62-39,133.26

Finding the Fourth Proportional to 64,622.14, 89,180.62 and 39,133.26

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Solution

The fourth proportional to 64,622.14, 89,180.62 and 39,133.26 is: 54,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,622.14 : 89,180.62 = 39,133.26 : x
  2. Step 2: Convert to fraction form
    64,622.14/89,180.62 = 39,133.26/x
  3. Step 3: Cross multiply
    64,622.14x = 89,180.62 × 39,133.26
  4. Step 4: Simplify right side
    64,622.14x = 3,489,928,389.42
  5. Step 5: Solve for x
    x = 3,489,928,389.42/64,622.14
  6. Step 6: Final answer
    x = 54,005.15

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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.