Home / 98,409.06-135,758.43-58,095.36

Finding the Fourth Proportional to 98,409.06, 135,758.43 and 58,095.36

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Solution

The fourth proportional to 98,409.06, 135,758.43 and 58,095.36 is: 80,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,409.06 : 135,758.43 = 58,095.36 : x
  2. Step 2: Convert to fraction form
    98,409.06/135,758.43 = 58,095.36/x
  3. Step 3: Cross multiply
    98,409.06x = 135,758.43 × 58,095.36
  4. Step 4: Simplify right side
    98,409.06x = 7,886,934,863.88
  5. Step 5: Solve for x
    x = 7,886,934,863.88/98,409.06
  6. Step 6: Final answer
    x = 80,144.40

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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.