Home / 107,382.45-148,261.91-67,114.31

Finding the Fourth Proportional to 107,382.45, 148,261.91 and 67,114.31

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Solution

The fourth proportional to 107,382.45, 148,261.91 and 67,114.31 is: 92,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.45 : 148,261.91 = 67,114.31 : x
  2. Step 2: Convert to fraction form
    107,382.45/148,261.91 = 67,114.31/x
  3. Step 3: Cross multiply
    107,382.45x = 148,261.91 × 67,114.31
  4. Step 4: Simplify right side
    107,382.45x = 9,950,495,788.93
  5. Step 5: Solve for x
    x = 9,950,495,788.93/107,382.45
  6. Step 6: Final answer
    x = 92,664.08

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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.