Home / 64,629.07-89,178.36-36,329.29

Finding the Fourth Proportional to 64,629.07, 89,178.36 and 36,329.29

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Solution

The fourth proportional to 64,629.07, 89,178.36 and 36,329.29 is: 50,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,629.07 : 89,178.36 = 36,329.29 : x
  2. Step 2: Convert to fraction form
    64,629.07/89,178.36 = 36,329.29/x
  3. Step 3: Cross multiply
    64,629.07x = 89,178.36 × 36,329.29
  4. Step 4: Simplify right side
    64,629.07x = 3,239,786,502.16
  5. Step 5: Solve for x
    x = 3,239,786,502.16/64,629.07
  6. Step 6: Final answer
    x = 50,128.94

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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.