Home / 64,379.81-88,849.61-36,090.97

Finding the Fourth Proportional to 64,379.81, 88,849.61 and 36,090.97

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Solution

The fourth proportional to 64,379.81, 88,849.61 and 36,090.97 is: 49,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.81 : 88,849.61 = 36,090.97 : x
  2. Step 2: Convert to fraction form
    64,379.81/88,849.61 = 36,090.97/x
  3. Step 3: Cross multiply
    64,379.81x = 88,849.61 × 36,090.97
  4. Step 4: Simplify right side
    64,379.81x = 3,206,668,341.78
  5. Step 5: Solve for x
    x = 3,206,668,341.78/64,379.81
  6. Step 6: Final answer
    x = 49,808.60

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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.