Home / 107,412.90-160,873.92-51,292.32

Finding the Fourth Proportional to 107,412.90, 160,873.92 and 51,292.32

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Solution

The fourth proportional to 107,412.90, 160,873.92 and 51,292.32 is: 76,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.90 : 160,873.92 = 51,292.32 : x
  2. Step 2: Convert to fraction form
    107,412.90/160,873.92 = 51,292.32/x
  3. Step 3: Cross multiply
    107,412.90x = 160,873.92 × 51,292.32
  4. Step 4: Simplify right side
    107,412.90x = 8,251,596,584.29
  5. Step 5: Solve for x
    x = 8,251,596,584.29/107,412.90
  6. Step 6: Final answer
    x = 76,821.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.