Home / 119,860.79-179,871.45-49,740.17

Finding the Fourth Proportional to 119,860.79, 179,871.45 and 49,740.17

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Solution

The fourth proportional to 119,860.79, 179,871.45 and 49,740.17 is: 74,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,860.79 : 179,871.45 = 49,740.17 : x
  2. Step 2: Convert to fraction form
    119,860.79/179,871.45 = 49,740.17/x
  3. Step 3: Cross multiply
    119,860.79x = 179,871.45 × 49,740.17
  4. Step 4: Simplify right side
    119,860.79x = 8,946,836,501.15
  5. Step 5: Solve for x
    x = 8,946,836,501.15/119,860.79
  6. Step 6: Final answer
    x = 74,643.56

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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.