Home / 98,857.92-136,424.06-53,535.98

Finding the Fourth Proportional to 98,857.92, 136,424.06 and 53,535.98

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Solution

The fourth proportional to 98,857.92, 136,424.06 and 53,535.98 is: 73,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.92 : 136,424.06 = 53,535.98 : x
  2. Step 2: Convert to fraction form
    98,857.92/136,424.06 = 53,535.98/x
  3. Step 3: Cross multiply
    98,857.92x = 136,424.06 × 53,535.98
  4. Step 4: Simplify right side
    98,857.92x = 7,303,594,797.88
  5. Step 5: Solve for x
    x = 7,303,594,797.88/98,857.92
  6. Step 6: Final answer
    x = 73,879.71

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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.