Home / 40,775.15-61,168.43-12,697.25

Finding the Fourth Proportional to 40,775.15, 61,168.43 and 12,697.25

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Solution

The fourth proportional to 40,775.15, 61,168.43 and 12,697.25 is: 19,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.15 : 61,168.43 = 12,697.25 : x
  2. Step 2: Convert to fraction form
    40,775.15/61,168.43 = 12,697.25/x
  3. Step 3: Cross multiply
    40,775.15x = 61,168.43 × 12,697.25
  4. Step 4: Simplify right side
    40,775.15x = 776,670,573.72
  5. Step 5: Solve for x
    x = 776,670,573.72/40,775.15
  6. Step 6: Final answer
    x = 19,047.64

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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.