Home / 107,311.87-148,092.12-58,918.26

Finding the Fourth Proportional to 107,311.87, 148,092.12 and 58,918.26

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Solution

The fourth proportional to 107,311.87, 148,092.12 and 58,918.26 is: 81,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,311.87 : 148,092.12 = 58,918.26 : x
  2. Step 2: Convert to fraction form
    107,311.87/148,092.12 = 58,918.26/x
  3. Step 3: Cross multiply
    107,311.87x = 148,092.12 × 58,918.26
  4. Step 4: Simplify right side
    107,311.87x = 8,725,330,030.11
  5. Step 5: Solve for x
    x = 8,725,330,030.11/107,311.87
  6. Step 6: Final answer
    x = 81,308.16

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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.