Home / 111,884.40-167,827.02-45,325.80

Finding the Fourth Proportional to 111,884.40, 167,827.02 and 45,325.80

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Solution

The fourth proportional to 111,884.40, 167,827.02 and 45,325.80 is: 67,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,884.40 : 167,827.02 = 45,325.80 : x
  2. Step 2: Convert to fraction form
    111,884.40/167,827.02 = 45,325.80/x
  3. Step 3: Cross multiply
    111,884.40x = 167,827.02 × 45,325.80
  4. Step 4: Simplify right side
    111,884.40x = 7,606,893,943.12
  5. Step 5: Solve for x
    x = 7,606,893,943.12/111,884.40
  6. Step 6: Final answer
    x = 67,988.87

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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.