Home / 100,544.29-138,798.36-58,094.62

Finding the Fourth Proportional to 100,544.29, 138,798.36 and 58,094.62

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Solution

The fourth proportional to 100,544.29, 138,798.36 and 58,094.62 is: 80,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,544.29 : 138,798.36 = 58,094.62 : x
  2. Step 2: Convert to fraction form
    100,544.29/138,798.36 = 58,094.62/x
  3. Step 3: Cross multiply
    100,544.29x = 138,798.36 × 58,094.62
  4. Step 4: Simplify right side
    100,544.29x = 8,063,437,633.83
  5. Step 5: Solve for x
    x = 8,063,437,633.83/100,544.29
  6. Step 6: Final answer
    x = 80,197.87

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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.