Home / 82,632.73-113,991.20-53,969.19

Finding the Fourth Proportional to 82,632.73, 113,991.20 and 53,969.19

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Solution

The fourth proportional to 82,632.73, 113,991.20 and 53,969.19 is: 74,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632.73 : 113,991.20 = 53,969.19 : x
  2. Step 2: Convert to fraction form
    82,632.73/113,991.20 = 53,969.19/x
  3. Step 3: Cross multiply
    82,632.73x = 113,991.20 × 53,969.19
  4. Step 4: Simplify right side
    82,632.73x = 6,152,012,731.13
  5. Step 5: Solve for x
    x = 6,152,012,731.13/82,632.73
  6. Step 6: Final answer
    x = 74,450.07

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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.