Home / 121,867.58-182,733.81-49,871.06

Finding the Fourth Proportional to 121,867.58, 182,733.81 and 49,871.06

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Solution

The fourth proportional to 121,867.58, 182,733.81 and 49,871.06 is: 74,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,867.58 : 182,733.81 = 49,871.06 : x
  2. Step 2: Convert to fraction form
    121,867.58/182,733.81 = 49,871.06/x
  3. Step 3: Cross multiply
    121,867.58x = 182,733.81 × 49,871.06
  4. Step 4: Simplify right side
    121,867.58x = 9,113,127,888.87
  5. Step 5: Solve for x
    x = 9,113,127,888.87/121,867.58
  6. Step 6: Final answer
    x = 74,778.94

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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.