Home / 111,690.09-167,589.81-52,531.74

Finding the Fourth Proportional to 111,690.09, 167,589.81 and 52,531.74

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Solution

The fourth proportional to 111,690.09, 167,589.81 and 52,531.74 is: 78,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,690.09 : 167,589.81 = 52,531.74 : x
  2. Step 2: Convert to fraction form
    111,690.09/167,589.81 = 52,531.74/x
  3. Step 3: Cross multiply
    111,690.09x = 167,589.81 × 52,531.74
  4. Step 4: Simplify right side
    111,690.09x = 8,803,784,325.57
  5. Step 5: Solve for x
    x = 8,803,784,325.57/111,690.09
  6. Step 6: Final answer
    x = 78,823.33

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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.