Home / 64,542.27-89,063.60-39,062.81

Finding the Fourth Proportional to 64,542.27, 89,063.60 and 39,062.81

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Solution

The fourth proportional to 64,542.27, 89,063.60 and 39,062.81 is: 53,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542.27 : 89,063.60 = 39,062.81 : x
  2. Step 2: Convert to fraction form
    64,542.27/89,063.60 = 39,062.81/x
  3. Step 3: Cross multiply
    64,542.27x = 89,063.60 × 39,062.81
  4. Step 4: Simplify right side
    64,542.27x = 3,479,074,230.81
  5. Step 5: Solve for x
    x = 3,479,074,230.81/64,542.27
  6. Step 6: Final answer
    x = 53,903.81

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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.