Home / 107,869.05-148,859.98-60,125.43

Finding the Fourth Proportional to 107,869.05, 148,859.98 and 60,125.43

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Solution

The fourth proportional to 107,869.05, 148,859.98 and 60,125.43 is: 82,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.05 : 148,859.98 = 60,125.43 : x
  2. Step 2: Convert to fraction form
    107,869.05/148,859.98 = 60,125.43/x
  3. Step 3: Cross multiply
    107,869.05x = 148,859.98 × 60,125.43
  4. Step 4: Simplify right side
    107,869.05x = 8,950,269,562.99
  5. Step 5: Solve for x
    x = 8,950,269,562.99/107,869.05
  6. Step 6: Final answer
    x = 82,973.47

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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.