Home / 98,133.08-135,423.26-55,106.59

Finding the Fourth Proportional to 98,133.08, 135,423.26 and 55,106.59

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Solution

The fourth proportional to 98,133.08, 135,423.26 and 55,106.59 is: 76,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,133.08 : 135,423.26 = 55,106.59 : x
  2. Step 2: Convert to fraction form
    98,133.08/135,423.26 = 55,106.59/x
  3. Step 3: Cross multiply
    98,133.08x = 135,423.26 × 55,106.59
  4. Step 4: Simplify right side
    98,133.08x = 7,462,714,065.28
  5. Step 5: Solve for x
    x = 7,462,714,065.28/98,133.08
  6. Step 6: Final answer
    x = 76,046.87

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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.