Home / 81,634.43-122,334.81-46,501.49

Finding the Fourth Proportional to 81,634.43, 122,334.81 and 46,501.49

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Solution

The fourth proportional to 81,634.43, 122,334.81 and 46,501.49 is: 69,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,634.43 : 122,334.81 = 46,501.49 : x
  2. Step 2: Convert to fraction form
    81,634.43/122,334.81 = 46,501.49/x
  3. Step 3: Cross multiply
    81,634.43x = 122,334.81 × 46,501.49
  4. Step 4: Simplify right side
    81,634.43x = 5,688,750,332.19
  5. Step 5: Solve for x
    x = 5,688,750,332.19/81,634.43
  6. Step 6: Final answer
    x = 69,685.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.