Home / 64,971.23-89,661.77-38,133.09

Finding the Fourth Proportional to 64,971.23, 89,661.77 and 38,133.09

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Solution

The fourth proportional to 64,971.23, 89,661.77 and 38,133.09 is: 52,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.23 : 89,661.77 = 38,133.09 : x
  2. Step 2: Convert to fraction form
    64,971.23/89,661.77 = 38,133.09/x
  3. Step 3: Cross multiply
    64,971.23x = 89,661.77 × 38,133.09
  4. Step 4: Simplify right side
    64,971.23x = 3,419,080,154.30
  5. Step 5: Solve for x
    x = 3,419,080,154.30/64,971.23
  6. Step 6: Final answer
    x = 52,624.53

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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.