Home / 45,310.34-67,985.75-23,112.02

Finding the Fourth Proportional to 45,310.34, 67,985.75 and 23,112.02

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Solution

The fourth proportional to 45,310.34, 67,985.75 and 23,112.02 is: 34,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,310.34 : 67,985.75 = 23,112.02 : x
  2. Step 2: Convert to fraction form
    45,310.34/67,985.75 = 23,112.02/x
  3. Step 3: Cross multiply
    45,310.34x = 67,985.75 × 23,112.02
  4. Step 4: Simplify right side
    45,310.34x = 1,571,287,558.23
  5. Step 5: Solve for x
    x = 1,571,287,558.23/45,310.34
  6. Step 6: Final answer
    x = 34,678.35

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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.