Home / 98,529.64-135,974.68-55,526.24

Finding the Fourth Proportional to 98,529.64, 135,974.68 and 55,526.24

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Solution

The fourth proportional to 98,529.64, 135,974.68 and 55,526.24 is: 76,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,529.64 : 135,974.68 = 55,526.24 : x
  2. Step 2: Convert to fraction form
    98,529.64/135,974.68 = 55,526.24/x
  3. Step 3: Cross multiply
    98,529.64x = 135,974.68 × 55,526.24
  4. Step 4: Simplify right side
    98,529.64x = 7,550,162,916.72
  5. Step 5: Solve for x
    x = 7,550,162,916.72/98,529.64
  6. Step 6: Final answer
    x = 76,628.34

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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.