Home / 62,316.88-86,028.16-38,456.72

Finding the Fourth Proportional to 62,316.88, 86,028.16 and 38,456.72

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Solution

The fourth proportional to 62,316.88, 86,028.16 and 38,456.72 is: 53,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,316.88 : 86,028.16 = 38,456.72 : x
  2. Step 2: Convert to fraction form
    62,316.88/86,028.16 = 38,456.72/x
  3. Step 3: Cross multiply
    62,316.88x = 86,028.16 × 38,456.72
  4. Step 4: Simplify right side
    62,316.88x = 3,308,360,861.24
  5. Step 5: Solve for x
    x = 3,308,360,861.24/62,316.88
  6. Step 6: Final answer
    x = 53,089.32

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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.