Home / 124,860.79-187,203.69-45,964.78

Finding the Fourth Proportional to 124,860.79, 187,203.69 and 45,964.78

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Solution

The fourth proportional to 124,860.79, 187,203.69 and 45,964.78 is: 68,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,860.79 : 187,203.69 = 45,964.78 : x
  2. Step 2: Convert to fraction form
    124,860.79/187,203.69 = 45,964.78/x
  3. Step 3: Cross multiply
    124,860.79x = 187,203.69 × 45,964.78
  4. Step 4: Simplify right side
    124,860.79x = 8,604,776,426.04
  5. Step 5: Solve for x
    x = 8,604,776,426.04/124,860.79
  6. Step 6: Final answer
    x = 68,914.96

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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.