Home / 74,546.10-111,880.35-73,962.90

Finding the Fourth Proportional to 74,546.10, 111,880.35 and 73,962.90

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Solution

The fourth proportional to 74,546.10, 111,880.35 and 73,962.90 is: 111,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,546.10 : 111,880.35 = 73,962.90 : x
  2. Step 2: Convert to fraction form
    74,546.10/111,880.35 = 73,962.90/x
  3. Step 3: Cross multiply
    74,546.10x = 111,880.35 × 73,962.90
  4. Step 4: Simplify right side
    74,546.10x = 8,274,995,139.02
  5. Step 5: Solve for x
    x = 8,274,995,139.02/74,546.10
  6. Step 6: Final answer
    x = 111,005.07

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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.