Home / 71,528.00-98,708.81-39,262.86

Finding the Fourth Proportional to 71,528.00, 98,708.81 and 39,262.86

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Solution

The fourth proportional to 71,528.00, 98,708.81 and 39,262.86 is: 54,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,528.00 : 98,708.81 = 39,262.86 : x
  2. Step 2: Convert to fraction form
    71,528.00/98,708.81 = 39,262.86/x
  3. Step 3: Cross multiply
    71,528.00x = 98,708.81 × 39,262.86
  4. Step 4: Simplify right side
    71,528.00x = 3,875,589,991.48
  5. Step 5: Solve for x
    x = 3,875,589,991.48/71,528.00
  6. Step 6: Final answer
    x = 54,182.84

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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.