Home / 106,365.30-146,784.12-57,967.25

Finding the Fourth Proportional to 106,365.30, 146,784.12 and 57,967.25

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Solution

The fourth proportional to 106,365.30, 146,784.12 and 57,967.25 is: 79,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,365.30 : 146,784.12 = 57,967.25 : x
  2. Step 2: Convert to fraction form
    106,365.30/146,784.12 = 57,967.25/x
  3. Step 3: Cross multiply
    106,365.30x = 146,784.12 × 57,967.25
  4. Step 4: Simplify right side
    106,365.30x = 8,508,671,317.87
  5. Step 5: Solve for x
    x = 8,508,671,317.87/106,365.30
  6. Step 6: Final answer
    x = 79,994.80

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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.