Home / 112,313.22-154,991.04-61,325.79

Finding the Fourth Proportional to 112,313.22, 154,991.04 and 61,325.79

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Solution

The fourth proportional to 112,313.22, 154,991.04 and 61,325.79 is: 84,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.22 : 154,991.04 = 61,325.79 : x
  2. Step 2: Convert to fraction form
    112,313.22/154,991.04 = 61,325.79/x
  3. Step 3: Cross multiply
    112,313.22x = 154,991.04 × 61,325.79
  4. Step 4: Simplify right side
    112,313.22x = 9,504,947,970.92
  5. Step 5: Solve for x
    x = 9,504,947,970.92/112,313.22
  6. Step 6: Final answer
    x = 84,628.93

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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.