Home / 81,564.57-112,550.31-47,107.17

Finding the Fourth Proportional to 81,564.57, 112,550.31 and 47,107.17

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Solution

The fourth proportional to 81,564.57, 112,550.31 and 47,107.17 is: 65,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564.57 : 112,550.31 = 47,107.17 : x
  2. Step 2: Convert to fraction form
    81,564.57/112,550.31 = 47,107.17/x
  3. Step 3: Cross multiply
    81,564.57x = 112,550.31 × 47,107.17
  4. Step 4: Simplify right side
    81,564.57x = 5,301,926,586.72
  5. Step 5: Solve for x
    x = 5,301,926,586.72/81,564.57
  6. Step 6: Final answer
    x = 65,002.81

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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.