Home / 82,021.50-113,190.06-46,212.08

Finding the Fourth Proportional to 82,021.50, 113,190.06 and 46,212.08

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Solution

The fourth proportional to 82,021.50, 113,190.06 and 46,212.08 is: 63,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021.50 : 113,190.06 = 46,212.08 : x
  2. Step 2: Convert to fraction form
    82,021.50/113,190.06 = 46,212.08/x
  3. Step 3: Cross multiply
    82,021.50x = 113,190.06 × 46,212.08
  4. Step 4: Simplify right side
    82,021.50x = 5,230,748,107.92
  5. Step 5: Solve for x
    x = 5,230,748,107.92/82,021.50
  6. Step 6: Final answer
    x = 63,772.89

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1.5x scale

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.