Home / 124,799.20-187,086.48-45,859.84

Finding the Fourth Proportional to 124,799.20, 187,086.48 and 45,859.84

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Solution

The fourth proportional to 124,799.20, 187,086.48 and 45,859.84 is: 68,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,799.20 : 187,086.48 = 45,859.84 : x
  2. Step 2: Convert to fraction form
    124,799.20/187,086.48 = 45,859.84/x
  3. Step 3: Cross multiply
    124,799.20x = 187,086.48 × 45,859.84
  4. Step 4: Simplify right side
    124,799.20x = 8,579,756,038.96
  5. Step 5: Solve for x
    x = 8,579,756,038.96/124,799.20
  6. Step 6: Final answer
    x = 68,748.49

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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.