Home / 74,142.15-111,190.25-26,751.10

Finding the Fourth Proportional to 74,142.15, 111,190.25 and 26,751.10

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Solution

The fourth proportional to 74,142.15, 111,190.25 and 26,751.10 is: 40,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142.15 : 111,190.25 = 26,751.10 : x
  2. Step 2: Convert to fraction form
    74,142.15/111,190.25 = 26,751.10/x
  3. Step 3: Cross multiply
    74,142.15x = 111,190.25 × 26,751.10
  4. Step 4: Simplify right side
    74,142.15x = 2,974,461,985.00
  5. Step 5: Solve for x
    x = 2,974,461,985.00/74,142.15
  6. Step 6: Final answer
    x = 40,118.36

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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.