Home / 121,834.47-182,754.74-57,777.55

Finding the Fourth Proportional to 121,834.47, 182,754.74 and 57,777.55

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Solution

The fourth proportional to 121,834.47, 182,754.74 and 57,777.55 is: 86,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,834.47 : 182,754.74 = 57,777.55 : x
  2. Step 2: Convert to fraction form
    121,834.47/182,754.74 = 57,777.55/x
  3. Step 3: Cross multiply
    121,834.47x = 182,754.74 × 57,777.55
  4. Step 4: Simplify right side
    121,834.47x = 10,559,120,815.64
  5. Step 5: Solve for x
    x = 10,559,120,815.64/121,834.47
  6. Step 6: Final answer
    x = 86,667.76

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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.