Home / 107,381.45-148,260.53-67,113.31

Finding the Fourth Proportional to 107,381.45, 148,260.53 and 67,113.31

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Solution

The fourth proportional to 107,381.45, 148,260.53 and 67,113.31 is: 92,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.45 : 148,260.53 = 67,113.31 : x
  2. Step 2: Convert to fraction form
    107,381.45/148,260.53 = 67,113.31/x
  3. Step 3: Cross multiply
    107,381.45x = 148,260.53 × 67,113.31
  4. Step 4: Simplify right side
    107,381.45x = 9,950,253,833.79
  5. Step 5: Solve for x
    x = 9,950,253,833.79/107,381.45
  6. Step 6: Final answer
    x = 92,662.69

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1.5x scale

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.