Home / 121,412.65-182,015.13-46,586.49

Finding the Fourth Proportional to 121,412.65, 182,015.13 and 46,586.49

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Solution

The fourth proportional to 121,412.65, 182,015.13 and 46,586.49 is: 69,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,412.65 : 182,015.13 = 46,586.49 : x
  2. Step 2: Convert to fraction form
    121,412.65/182,015.13 = 46,586.49/x
  3. Step 3: Cross multiply
    121,412.65x = 182,015.13 × 46,586.49
  4. Step 4: Simplify right side
    121,412.65x = 8,479,446,033.59
  5. Step 5: Solve for x
    x = 8,479,446,033.59/121,412.65
  6. Step 6: Final answer
    x = 69,839.89

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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.